diff --git a/sys/fs/fdescfs/fdesc_vfsops.c b/sys/fs/fdescfs/fdesc_vfsops.c
index 881be49c8168..758f3b5abbe6 100644
--- a/sys/fs/fdescfs/fdesc_vfsops.c
+++ b/sys/fs/fdescfs/fdesc_vfsops.c
@@ -35,7 +35,7 @@
  *
  *	@(#)fdesc_vfsops.c	8.4 (Berkeley) 1/21/94
  *
- * $Id: fdesc_vfsops.c,v 1.16 1998/09/07 13:17:00 bde Exp $
+ * $Id: fdesc_vfsops.c,v 1.17 1999/01/12 11:49:30 eivind Exp $
  */
 
 /*
@@ -138,7 +138,7 @@ fdesc_unmount(mp, mntflags, p)
 	 */
 	if (rootvp->v_usecount > 1)
 		return (EBUSY);
-	if (error = vflush(mp, rootvp, flags))
+	if ((error = vflush(mp, rootvp, flags)) != 0)
 		return (error);
 
 	/*
diff --git a/sys/fs/fdescfs/fdesc_vnops.c b/sys/fs/fdescfs/fdesc_vnops.c
index fb8f4a169f25..6bdea5fc4ce8 100644
--- a/sys/fs/fdescfs/fdesc_vnops.c
+++ b/sys/fs/fdescfs/fdesc_vnops.c
@@ -35,7 +35,7 @@
  *
  *	@(#)fdesc_vnops.c	8.9 (Berkeley) 1/21/94
  *
- * $Id: fdesc_vnops.c,v 1.39 1998/12/07 21:58:31 archie Exp $
+ * $Id: fdesc_vnops.c,v 1.40 1998/12/14 05:00:57 dillon Exp $
  */
 
 /*
@@ -283,7 +283,7 @@ fdesc_lookup(ap)
 
 	case Fdevfd:
 		if (cnp->cn_namelen == 2 && bcmp(pname, "..", 2) == 0) {
-			if (error = fdesc_root(dvp->v_mount, vpp))
+			if ((error = fdesc_root(dvp->v_mount, vpp)) != 0)
 				goto bad;
 			return (0);
 		}
diff --git a/sys/fs/msdosfs/msdosfs_vfsops.c b/sys/fs/msdosfs/msdosfs_vfsops.c
index b3a63b55d613..bca552c80742 100644
--- a/sys/fs/msdosfs/msdosfs_vfsops.c
+++ b/sys/fs/msdosfs/msdosfs_vfsops.c
@@ -1,4 +1,4 @@
-/*	$Id: msdosfs_vfsops.c,v 1.38 1998/10/31 15:31:24 peter Exp $ */
+/*	$Id: msdosfs_vfsops.c,v 1.39 1998/12/07 21:58:35 archie Exp $ */
 /*	$NetBSD: msdosfs_vfsops.c,v 1.51 1997/11/17 15:36:58 ws Exp $	*/
 
 /*-
@@ -911,9 +911,9 @@ msdosfs_sync(mp, waitfor, cred, p)
 		nvp = vp->v_mntvnodes.le_next;
 		dep = VTODE(vp);
 		if (vp->v_type == VNON ||
-		    (dep->de_flag &
+		    ((dep->de_flag &
 		    (DE_ACCESS | DE_CREATE | DE_UPDATE | DE_MODIFIED)) == 0 &&
-		    (TAILQ_EMPTY(&vp->v_dirtyblkhd) || waitfor == MNT_LAZY)) {
+		    (TAILQ_EMPTY(&vp->v_dirtyblkhd) || waitfor == MNT_LAZY))) {
 			simple_unlock(&vp->v_interlock);
 			continue;
 		}
diff --git a/sys/fs/msdosfs/msdosfs_vnops.c b/sys/fs/msdosfs/msdosfs_vnops.c
index aad4e6ba9f1e..36aa91d73af7 100644
--- a/sys/fs/msdosfs/msdosfs_vnops.c
+++ b/sys/fs/msdosfs/msdosfs_vnops.c
@@ -1,4 +1,4 @@
-/*	$Id: msdosfs_vnops.c,v 1.79 1998/11/29 22:38:57 dt Exp $ */
+/*	$Id: msdosfs_vnops.c,v 1.80 1998/12/07 21:58:35 archie Exp $ */
 /*	$NetBSD: msdosfs_vnops.c,v 1.68 1998/02/10 14:10:04 mrg Exp $	*/
 
 /*-
@@ -278,6 +278,8 @@ msdosfs_access(ap)
 			if (vp->v_mount->mnt_flag & MNT_RDONLY)
 				return (EROFS);
 			break;
+		default:
+			break;
 		}
 	}
 
@@ -485,11 +487,14 @@ msdosfs_setattr(ap)
 		switch (vp->v_type) {
 		case VDIR:
 			return (EISDIR);
+			/* NOT REACHED */
 		case VLNK:
 		case VREG:
 			if (vp->v_mount->mnt_flag & MNT_RDONLY)
 				return (EROFS);
 			break;
+		default:
+			break;
 		}
 		error = detrunc(dep, vap->va_size, 0, cred, ap->a_p);
 		if (error)
diff --git a/sys/fs/nullfs/null_vnops.c b/sys/fs/nullfs/null_vnops.c
index b2e1b63af955..514ba82c6d04 100644
--- a/sys/fs/nullfs/null_vnops.c
+++ b/sys/fs/nullfs/null_vnops.c
@@ -37,11 +37,11 @@
  *
  * Ancestors:
  *	@(#)lofs_vnops.c	1.2 (Berkeley) 6/18/92
- *	$Id: null_vnops.c,v 1.29 1998/07/04 20:45:33 julian Exp $
+ *	$Id: null_vnops.c,v 1.30 1998/12/07 21:58:32 archie Exp $
  *	...and...
  *	@(#)null_vnodeops.c 1.20 92/07/07 UCLA Ficus project
  *
- * $Id: null_vnops.c,v 1.29 1998/07/04 20:45:33 julian Exp $
+ * $Id: null_vnops.c,v 1.30 1998/12/07 21:58:32 archie Exp $
  */
 
 /*
@@ -484,6 +484,8 @@ null_access(ap)
 			if (vp->v_mount->mnt_flag & MNT_RDONLY)
 				return (EROFS);
 			break;
+		default:
+			break;
 		}
 	}
 	return (null_bypass((struct vop_generic_args *)ap));
diff --git a/sys/fs/procfs/procfs_subr.c b/sys/fs/procfs/procfs_subr.c
index 813232cb5fb3..98e36879a4b6 100644
--- a/sys/fs/procfs/procfs_subr.c
+++ b/sys/fs/procfs/procfs_subr.c
@@ -36,7 +36,7 @@
  *
  *	@(#)procfs_subr.c	8.6 (Berkeley) 5/14/95
  *
- *	$Id: procfs_subr.c,v 1.21 1997/12/12 03:33:43 sef Exp $
+ *	$Id: procfs_subr.c,v 1.22 1999/01/05 03:53:06 peter Exp $
  */
 
 #include <sys/param.h>
@@ -119,7 +119,7 @@ procfs_allocvp(mp, vpp, pid, pfs_type)
 	 */
 	MALLOC(pfs, struct pfsnode *, sizeof(struct pfsnode), M_TEMP, M_WAITOK);
 
-	if (error = getnewvnode(VT_PROCFS, mp, procfs_vnodeop_p, vpp)) {
+	if ((error = getnewvnode(VT_PROCFS, mp, procfs_vnodeop_p, vpp)) != 0) {
 		FREE(pfs, M_TEMP);
 		goto out;
 	}
@@ -327,7 +327,7 @@ vfs_getuserstr(uio, buf, buflenp)
 		return (EMSGSIZE);
 	xlen = uio->uio_resid;
 
-	if (error = uiomove(buf, xlen, uio))
+	if ((error = uiomove(buf, xlen, uio)) != 0)
 		return (error);
 
 	/* allow multiple writes without seeks */
diff --git a/sys/fs/procfs/procfs_vnops.c b/sys/fs/procfs/procfs_vnops.c
index daab08f2c240..1aa545331884 100644
--- a/sys/fs/procfs/procfs_vnops.c
+++ b/sys/fs/procfs/procfs_vnops.c
@@ -36,7 +36,7 @@
  *
  *	@(#)procfs_vnops.c	8.18 (Berkeley) 5/21/95
  *
- *	$Id: procfs_vnops.c,v 1.62 1998/12/04 22:54:51 archie Exp $
+ *	$Id: procfs_vnops.c,v 1.63 1999/01/05 03:53:06 peter Exp $
  */
 
 /*
@@ -137,8 +137,8 @@ procfs_open(ap)
 
 	switch (pfs->pfs_type) {
 	case Pmem:
-		if ((pfs->pfs_flags & FWRITE) && (ap->a_mode & O_EXCL) ||
-		    (pfs->pfs_flags & O_EXCL) && (ap->a_mode & FWRITE))
+		if (((pfs->pfs_flags & FWRITE) && (ap->a_mode & O_EXCL)) ||
+		    ((pfs->pfs_flags & O_EXCL) && (ap->a_mode & FWRITE)))
 			return (EBUSY);
 
 		p1 = ap->a_p;
@@ -285,7 +285,7 @@ procfs_ioctl(ap)
 	case PIOCCONT:	/* Restart a proc */
 	  if (procp->p_step == 0)
 	    return EINVAL;	/* Can only start a stopped process */
-	  if (signo = *(int*)ap->a_data) {
+	  if ((signo = *(int*)ap->a_data) != 0) {
 	    if (signo >= NSIG || signo <= 0)
 	      return EINVAL;
 	    psignal(procp, signo);
@@ -847,7 +847,7 @@ procfs_readdir(ap)
 			bcopy(pt->pt_name, dp->d_name, pt->pt_namlen + 1);
 			dp->d_type = pt->pt_type;
 
-			if (error = uiomove((caddr_t)dp, UIO_MX, uio))
+			if ((error = uiomove((caddr_t)dp, UIO_MX, uio)) != 0)
 				break;
 		}
 
@@ -906,7 +906,7 @@ procfs_readdir(ap)
 				break;
 			}
 
-			if (error = uiomove((caddr_t)dp, UIO_MX, uio))
+			if ((error = uiomove((caddr_t)dp, UIO_MX, uio)) != 0)
 				break;
 		}
 	done:
diff --git a/sys/fs/specfs/spec_vnops.c b/sys/fs/specfs/spec_vnops.c
index 6096a1b90a3f..88290e436617 100644
--- a/sys/fs/specfs/spec_vnops.c
+++ b/sys/fs/specfs/spec_vnops.c
@@ -31,7 +31,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)spec_vnops.c	8.14 (Berkeley) 5/21/95
- * $Id: spec_vnops.c,v 1.78 1998/12/16 00:10:51 eivind Exp $
+ * $Id: spec_vnops.c,v 1.79 1999/01/21 08:29:07 dillon Exp $
  */
 
 #include <sys/param.h>
@@ -210,7 +210,7 @@ spec_open(ap)
 		error = (*cdevsw[maj]->d_open)(dev, ap->a_mode, S_IFCHR, p);
 		vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);
 		return (error);
-
+		/* NOT REACHED */
 	case VBLK:
 		if ((u_int)maj >= nblkdev)
 			return (ENXIO);
@@ -233,6 +233,9 @@ spec_open(ap)
 		if (error)
 			return (error);
 		return ((*bdevsw[maj]->d_open)(dev, ap->a_mode, S_IFBLK, p));
+		/* NOT REACHED */
+	default:
+		break;
 	}
 	return (0);
 }
diff --git a/sys/fs/unionfs/union_vfsops.c b/sys/fs/unionfs/union_vfsops.c
index fb700cca5d7b..db4d4d3b14e8 100644
--- a/sys/fs/unionfs/union_vfsops.c
+++ b/sys/fs/unionfs/union_vfsops.c
@@ -35,7 +35,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)union_vfsops.c	8.20 (Berkeley) 5/20/95
- * $Id: union_vfsops.c,v 1.29 1998/05/06 05:29:37 msmith Exp $
+ * $Id: union_vfsops.c,v 1.30 1998/09/07 13:17:02 bde Exp $
  */
 
 /*
@@ -325,7 +325,7 @@ union_unmount(mp, mntflags, p)
 	if (mntflags & MNT_FORCE)
 		flags |= FORCECLOSE;
 
-	if (error = union_root(mp, &um_rootvp))
+	if ((error = union_root(mp, &um_rootvp)) != 0)
 		return (error);
 
 	/*
diff --git a/sys/fs/unionfs/union_vnops.c b/sys/fs/unionfs/union_vnops.c
index 87fda6d6cc81..ba9b2a3315bb 100644
--- a/sys/fs/unionfs/union_vnops.c
+++ b/sys/fs/unionfs/union_vnops.c
@@ -35,7 +35,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)union_vnops.c	8.32 (Berkeley) 6/23/95
- * $Id: union_vnops.c,v 1.58 1998/07/04 20:45:35 julian Exp $
+ * $Id: union_vnops.c,v 1.59 1998/12/14 05:00:59 dillon Exp $
  */
 
 #include <sys/param.h>
@@ -695,8 +695,12 @@ union_access(ap)
 	 */
 	if (ap->a_mode & VWRITE && (ap->a_vp->v_mount->mnt_flag & MNT_RDONLY)) {
 		switch (ap->a_vp->v_type) {
-		case VREG: case VDIR: case VLNK:
+		case VREG: 
+		case VDIR:
+		case VLNK:
 			return (EROFS);
+		default:
+			break;
 		}
 	}
 	if ((vp = un->un_uppervp) != NULLVP) {
diff --git a/sys/miscfs/devfs/devfs_tree.c b/sys/miscfs/devfs/devfs_tree.c
index 7839645da0ac..b299051d2ec9 100644
--- a/sys/miscfs/devfs/devfs_tree.c
+++ b/sys/miscfs/devfs/devfs_tree.c
@@ -24,7 +24,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  * 
- *	$Id: devfs_tree.c,v 1.57 1998/11/26 18:50:23 eivind Exp $
+ *	$Id: devfs_tree.c,v 1.58 1998/12/10 19:57:00 eivind Exp $
  */
 
 
@@ -229,8 +229,8 @@ dev_finddir(char *orig_path, dn_p dirnode, int create, dn_p *dn_pp)
 		\***************************************/
 		if(!create) return ENOENT;
 
-		if(retval = dev_add_entry(name, dirnode, DEV_DIR,
-					NULL, NULL, NULL, &devnmp)) {
+		if((retval = dev_add_entry(name, dirnode, DEV_DIR,
+					NULL, NULL, NULL, &devnmp)) != 0) {
 			return retval;
 		}
 		dnp = devnmp->dnp;
@@ -600,8 +600,8 @@ devfs_propogate(devnm_p parent,devnm_p child)
 		 * if the node already exists on that plane it won't be
 		 * re-made..
 		 */
-		if ( error = dev_add_entry(child->name, adnp, type,
-					NULL, dnp, adnp->dvm, &newnmp)) {
+		if ((error = dev_add_entry(child->name, adnp, type,
+					NULL, dnp, adnp->dvm, &newnmp)) != 0) {
 			printf("duplicating %s failed\n",child->name);
 		}
 	}
@@ -670,7 +670,7 @@ dev_dup_plane(struct devfsmount *devfs_mp_p)
 
 	DBPRINT(("	dev_dup_plane\n"));
 	if(devfs_up_and_going) {
-		if(error = dev_dup_entry(NULL, dev_root, &new, devfs_mp_p)) {
+		if((error = dev_dup_entry(NULL, dev_root, &new, devfs_mp_p)) != 0) {
 			return error;
 		}
 	} else { /* we are doing the dummy mount during initialisation.. */
@@ -726,9 +726,9 @@ dev_dup_entry(dn_p parent, devnm_p back, devnm_p *dnm_pp,
 	 * go get the node made (if we need to)
 	 * use the back one as a prototype
 	 */
-	if ( error = dev_add_entry(back->name, parent, type,
+	if ((error = dev_add_entry(back->name, parent, type,
 				NULL, dnp,
-				parent?parent->dvm:dvm, &newnmp)) {
+				parent?parent->dvm:dvm, &newnmp)) != 0) {
 		printf("duplicating %s failed\n",back->name);
 	}
 
@@ -750,8 +750,8 @@ dev_dup_entry(dn_p parent, devnm_p back, devnm_p *dnm_pp,
 		for(newback = back->dnp->by.Dir.dirlist;
 				newback; newback = newback->next)
 		{
-			if(error = dev_dup_entry(newnmp->dnp,
-						newback, &newfront, NULL))
+			if((error = dev_dup_entry(newnmp->dnp,
+					    newback, &newfront, NULL)) != 0)
 			{
 				break; /* back out with an error */
 			}
@@ -895,6 +895,8 @@ DBPRINT(("	vntodn "));
 		printf("bad-type2 (VNON)");
 		return(EINVAL);
 #endif
+	default:
+		break;
 	}
 	*dn_pp = (dn_p)vn_p->v_data;
 
@@ -980,9 +982,9 @@ DBPRINT(("(New vnode)"));
 			break;
 		case	DEV_BDEV:
 			vn_p->v_type = VBLK;
-			if (nvp = checkalias(vn_p,
+			if ((nvp = checkalias(vn_p,
 			   dnp->by.Bdev.dev,
-			  (struct mount *)0))
+			  (struct mount *)0)) != NULL)
 			{
 				vput(vn_p);
 				vn_p = nvp;
@@ -990,9 +992,9 @@ DBPRINT(("(New vnode)"));
 			break;
 		case	DEV_CDEV:
 			vn_p->v_type = VCHR;
-			if (nvp = checkalias(vn_p,
+			if ((nvp = checkalias(vn_p,
 			   dnp->by.Cdev.dev,
-			  (struct mount *)0))
+			  (struct mount *)0)) != NULL)
 			{
 				vput(vn_p);
 				vn_p = nvp;
@@ -1029,14 +1031,14 @@ dev_add_entry(char *name, dn_p parent, int type, union typeinfo *by,
 	int	error = 0;
 
 	DBPRINT(("	devfs_add_entry\n"));
-	if (error = dev_add_node(type, by, proto, &dnp, 
-			(parent?parent->dvm:dvm)))
+	if ((error = dev_add_node(type, by, proto, &dnp, 
+			(parent?parent->dvm:dvm))) != 0)
 	{
 		printf("Device %s: base node allocation failed (Errno=%d)\n",
 			name,error);
 		return error;
 	}
-	if ( error = dev_add_name(name ,parent ,NULL, dnp, nm_pp))
+	if ((error = dev_add_name(name ,parent ,NULL, dnp, nm_pp)) != 0)
 	{
 		devfs_dn_free(dnp); /* 1->0 for dir, 0->(-1) for other */
 		printf("Device %s: name slot allocation failed (Errno=%d)\n",
diff --git a/sys/miscfs/devfs/devfs_vfsops.c b/sys/miscfs/devfs/devfs_vfsops.c
index 95ae9579719b..f3611f18d5a8 100644
--- a/sys/miscfs/devfs/devfs_vfsops.c
+++ b/sys/miscfs/devfs/devfs_vfsops.c
@@ -23,7 +23,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  * 
- *	$Id: devfs_vfsops.c,v 1.34 1998/10/31 15:31:23 peter Exp $
+ *	$Id: devfs_vfsops.c,v 1.35 1998/12/07 21:58:30 archie Exp $
  *
  */
 
@@ -129,7 +129,7 @@ DBPRINT(("mount "));
 	mp->mnt_stat.f_fsid.val[1] = mp->mnt_stat.f_type;
 	mp->mnt_flag |= MNT_LOCAL;
 
-	if(error = dev_dup_plane(devfs_mp_p))
+	if((error = dev_dup_plane(devfs_mp_p)) != 0)
 	{
 		mp->mnt_data = (qaddr_t)0;
 		free((caddr_t)devfs_mp_p, M_DEVFSMNT);
diff --git a/sys/miscfs/devfs/devfs_vnops.c b/sys/miscfs/devfs/devfs_vnops.c
index 56fa842cf921..2f7c4ed72eb1 100644
--- a/sys/miscfs/devfs/devfs_vnops.c
+++ b/sys/miscfs/devfs/devfs_vnops.c
@@ -23,7 +23,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  * 
- *	$Id: devfs_vnops.c,v 1.65 1999/01/12 11:49:29 eivind Exp $
+ *	$Id: devfs_vnops.c,v 1.66 1999/01/21 08:29:06 dillon Exp $
  */
 
 
@@ -138,7 +138,7 @@ DBPRINT(("lookup\n"));
 	{
 		return (ENOTDIR);
 	}
-	if (error = VOP_ACCESS(dir_vnode, VEXEC, cnp->cn_cred, p))
+	if ((error = VOP_ACCESS(dir_vnode, VEXEC, cnp->cn_cred, p)) != 0)
 	{
 		return (error);
 	}
@@ -174,8 +174,8 @@ DBPRINT(("lookup\n"));
 		 * Access for write is interpreted as allowing
 		 * creation of files in the directory.
 		 */
-		if (error = VOP_ACCESS(dir_vnode, VWRITE,
-				cnp->cn_cred, p))
+		if ((error = VOP_ACCESS(dir_vnode, VWRITE,
+				cnp->cn_cred, p)) != 0)
 		{
 DBPRINT(("MKACCESS "));
 			return (error);
@@ -215,8 +215,8 @@ DBPRINT(("MKACCESS "));
 		/*
 		 * Write access to directory required to delete files.
 		 */
-		if (error = VOP_ACCESS(dir_vnode, VWRITE,
-				cnp->cn_cred, p))
+		if ((error = VOP_ACCESS(dir_vnode, VWRITE,
+				cnp->cn_cred, p)) != 0)
 			return (error);
 		/*
 		 * we are trying to delete '.'.  What does this mean? XXX
@@ -257,8 +257,8 @@ DBPRINT(("MKACCESS "));
 		/*
 		 * Are we allowed to change the holding directory?
 		 */
-		if (error = VOP_ACCESS(dir_vnode, VWRITE,
-				cnp->cn_cred, p))
+		if ((error = VOP_ACCESS(dir_vnode, VWRITE,
+				cnp->cn_cred, p)) != 0)
 			return (error);
 		/*
 		 * Careful about locking second node.
@@ -338,7 +338,7 @@ devfs_access(struct vop_access_args *ap)
 	int 	i;
 
 DBPRINT(("access\n"));
-	if (error = devfs_vntodn(vp,&file_node))
+	if ((error = devfs_vntodn(vp,&file_node)) != 0)
 	{
 		printf("devfs_vntodn returned %d ",error);
 		return error;
@@ -400,7 +400,7 @@ devfs_getattr(struct vop_getattr_args *ap)
 	int	error;
 
 DBPRINT(("getattr\n"));
-	if (error = devfs_vntodn(vp,&file_node))
+	if ((error = devfs_vntodn(vp,&file_node)) != 0)
 	{
 		printf("devfs_vntodn returned %d ",error);
 		return error;
@@ -479,7 +479,7 @@ devfs_setattr(struct vop_setattr_args *ap)
 	if (vap->va_flags != VNOVAL)	/* XXX needs to be implemented */
 		return (EOPNOTSUPP);
 
-	if (error = devfs_vntodn(vp,&file_node))
+	if ((error = devfs_vntodn(vp,&file_node)) != 0)
 	{
 		printf("devfs_vntodn returned %d ",error);
 		return error;
@@ -604,7 +604,7 @@ devfs_xread(struct vop_read_args *ap)
 	dn_p	file_node;
 
 DBPRINT(("read\n"));
-	if (error = devfs_vntodn(ap->a_vp,&file_node))
+	if ((error = devfs_vntodn(ap->a_vp,&file_node)) != 0)
 	{
 		printf("devfs_vntodn returned %d ",error);
 		return error;
@@ -678,12 +678,12 @@ DBPRINT(("remove\n"));
 	 * are the end of the path. Get pointers to all our
 	 * devfs structures.
 	 */
-	if (error = devfs_vntodn(dvp, &tdp)) {
+	if ((error = devfs_vntodn(dvp, &tdp)) != 0) {
 abortit:
 		VOP_ABORTOP(dvp, cnp); 
 		return (error);
 	}
-	if (error = devfs_vntodn(vp, &tp)) goto abortit;
+	if ((error = devfs_vntodn(vp, &tp)) != 0) goto abortit;
 	/*
 	 * Assuming we are atomic, dev_lookup left this for us
 	 */
@@ -780,8 +780,8 @@ DBPRINT(("link\n"));
 	 * are the end of the path. Get pointers to all our
 	 * devfs structures.
 	 */
-	if ( error = devfs_vntodn(tdvp,&tdp)) goto abortit;
-	if ( error = devfs_vntodn(vp,&fp)) goto abortit;
+	if ((error = devfs_vntodn(tdvp,&tdp)) != 0) goto abortit;
+	if ((error = devfs_vntodn(vp,&fp)) != 0) goto abortit;
 	
 	/*
 	 * trying to move it out of devfs? (v_tag == VT_DEVFS)
@@ -880,12 +880,12 @@ devfs_rename(struct vop_rename_args *ap)
 	 * are the end of the path. Get pointers to all our
 	 * devfs structures.
 	 */
-	if ( error = devfs_vntodn(tdvp,&tdp)) goto abortit;
-	if ( error = devfs_vntodn(fdvp,&fdp)) goto abortit;
-	if ( error = devfs_vntodn(fvp,&fp)) goto abortit;
+	if ((error = devfs_vntodn(tdvp,&tdp)) != 0) goto abortit;
+	if ((error = devfs_vntodn(fdvp,&fdp)) != 0) goto abortit;
+	if ((error = devfs_vntodn(fvp,&fp)) != 0) goto abortit;
 	fnp = fp->last_lookup;
 	if (tvp) {
-		if ( error = devfs_vntodn(tvp,&tp)) goto abortit;
+		if ((error = devfs_vntodn(tvp,&tp)) != 0) goto abortit;
 		tnp = tp->last_lookup;
 	} else {
 		tp = NULL;
@@ -1075,7 +1075,7 @@ devfs_symlink(struct vop_symlink_args *ap)
 	devnm_p nm_p;
 
 DBPRINT(("symlink\n"));
-	if(error = devfs_vntodn(ap->a_dvp, &dnp)) {
+	if((error = devfs_vntodn(ap->a_dvp, &dnp)) != 0) {
 		return (error);
 	}
 		
@@ -1083,7 +1083,7 @@ DBPRINT(("symlink\n"));
 	by.Slnk.namelen = strlen(ap->a_target);
 	dev_add_entry(ap->a_cnp->cn_nameptr, dnp, DEV_SLNK, &by,
 		NULL, NULL, &nm_p);
-	if(error = devfs_dntovn(nm_p->dnp, &vp)) {
+	if((error = devfs_dntovn(nm_p->dnp, &vp)) != 0) {
 		return (error);
 	}
 	VOP_SETATTR(vp, ap->a_vap, ap->a_cnp->cn_cred, ap->a_cnp->cn_proc);
@@ -1120,7 +1120,7 @@ devfs_readdir(struct vop_readdir_args *ap)
 DBPRINT(("readdir\n"));
 
 /*  set up refs to dir */
-	if (error = devfs_vntodn(vp,&dir_node))
+	if ((error = devfs_vntodn(vp,&dir_node)) != 0)
 		return error;
 	if(dir_node->type != DEV_DIR)
 		return(ENOTDIR);
@@ -1183,8 +1183,8 @@ DBPRINT(("readdir\n"));
 			if (uio->uio_resid < reclen) /* will it fit? */
 				break;
 			strcpy( dirent.d_name,name);
-			if (error = uiomove ((caddr_t)&dirent,
-					dirent.d_reclen, uio))
+			if ((error = uiomove ((caddr_t)&dirent,
+					dirent.d_reclen, uio)) != 0)
 				break;
 		}
 		pos += reclen;
@@ -1216,11 +1216,11 @@ devfs_readlink(struct vop_readlink_args *ap)
 
 DBPRINT(("readlink\n"));
 /*  set up refs to dir */
-	if (error = devfs_vntodn(vp,&lnk_node))
+	if ((error = devfs_vntodn(vp,&lnk_node)) != 0)
 		return error;
 	if(lnk_node->type != DEV_SLNK)
 		return(EINVAL);
-	if (error = VOP_ACCESS(vp, VREAD, ap->a_cred, NULL)) { /* XXX */
+	if ((error = VOP_ACCESS(vp, VREAD, ap->a_cred, NULL)) != 0) { /* XXX */
 		return error;
 	}
 	error = uiomove(lnk_node->by.Slnk.name, lnk_node->by.Slnk.namelen, uio);
@@ -1253,7 +1253,7 @@ devfs_reclaim(struct vop_reclaim_args *ap)
 	int	error;
 
 DBPRINT(("reclaim\n"));
-	if (error = devfs_vntodn(ap->a_vp,&file_node))
+	if ((error = devfs_vntodn(ap->a_vp,&file_node)) != 0)
 	{
 		printf("devfs_vntodn returned %d ",error);
 		return error;
@@ -1328,7 +1328,7 @@ devfs_open( struct vop_open_args *ap)
 	int error;
 	dn_p	dnp;
 
-	if (error = devfs_vntodn(vp,&dnp))
+	if ((error = devfs_vntodn(vp,&dnp)) != 0)
 		return error;
 
 	switch (vp->v_type) {
@@ -1341,13 +1341,16 @@ devfs_open( struct vop_open_args *ap)
 					p);
 		vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);
 		return (error);
-
+		/* NOT REACHED */
 	case VBLK:
 		error = (*dnp->by.Bdev.bdevsw->d_open)(
 					dnp->by.Bdev.dev,
 					ap->a_mode,
 					S_IFBLK,
 					p);
+		break;
+	default:
+		break;
 	}
 	return (error);
 }
@@ -1379,7 +1382,7 @@ devfs_read( struct vop_read_args *ap)
 	dev_t dev;
 	dn_p	dnp;
 
-	if (error = devfs_vntodn(vp,&dnp))
+	if ((error = devfs_vntodn(vp,&dnp)) != 0)
 		return error;
 
 
@@ -1476,7 +1479,7 @@ devfs_write( struct vop_write_args *ap)
 	int error = 0;
 	dn_p	dnp;
 
-	if (error = devfs_vntodn(vp,&dnp))
+	if ((error = devfs_vntodn(vp,&dnp)) != 0)
 		return error;
 
 
@@ -1556,7 +1559,7 @@ devfs_ioctl(struct vop_ioctl_args *ap)
 	dn_p	dnp;
 	int	error;
 
-	if (error = devfs_vntodn(ap->a_vp,&dnp))
+	if ((error = devfs_vntodn(ap->a_vp,&dnp)) != 0)
 		return error;
 
 
@@ -1595,7 +1598,7 @@ devfs_poll(struct vop_poll_args *ap)
 	dn_p	dnp;
 	int	error;
 
-	if (error = devfs_vntodn(ap->a_vp,&dnp))
+	if ((error = devfs_vntodn(ap->a_vp,&dnp)) != 0)
 		return error;
 
 
@@ -1630,7 +1633,7 @@ devfs_fsync(struct vop_fsync_args *ap)
 	dn_p	dnp;
 	int	error;
 
-	if (error = devfs_vntodn(vp,&dnp))
+	if ((error = devfs_vntodn(vp,&dnp)) != 0)
 		return error;
 
 
@@ -1707,7 +1710,7 @@ devfs_strategy(struct vop_strategy_args *ap)
 	if ((ap->a_vp->v_type != VCHR)
 	&&  (ap->a_vp->v_type != VBLK))
 		panic ("devfs_strat:badvnode type");
-	if (error = devfs_vntodn(ap->a_vp,&dnp))
+	if ((error = devfs_vntodn(ap->a_vp,&dnp)) != 0)
 		return error;
 
 
@@ -1766,7 +1769,7 @@ devfs_close(struct vop_close_args *ap)
 	int error;
 	dn_p dnp;
 
-	if (error = devfs_vntodn(vp,&dnp))
+	if ((error = devfs_vntodn(vp,&dnp)) != 0)
 		return error;
 
 
@@ -1799,8 +1802,7 @@ devfs_close(struct vop_close_args *ap)
 						ap->a_fflag,
 						S_IFCHR,
 						ap->a_p));
-		break;
-
+		/* NOT REACHED */
 	case VBLK:
 		/*
 		 * On last close of a block device (that isn't mounted)
@@ -1829,7 +1831,7 @@ devfs_close(struct vop_close_args *ap)
 						ap->a_fflag,
 						S_IFBLK,
 						ap->a_p));
-
+		/* NOT REACHED */
 	default:
 		panic("devfs_close: not special");
 	}
diff --git a/sys/miscfs/fdesc/fdesc_vfsops.c b/sys/miscfs/fdesc/fdesc_vfsops.c
index 881be49c8168..758f3b5abbe6 100644
--- a/sys/miscfs/fdesc/fdesc_vfsops.c
+++ b/sys/miscfs/fdesc/fdesc_vfsops.c
@@ -35,7 +35,7 @@
  *
  *	@(#)fdesc_vfsops.c	8.4 (Berkeley) 1/21/94
  *
- * $Id: fdesc_vfsops.c,v 1.16 1998/09/07 13:17:00 bde Exp $
+ * $Id: fdesc_vfsops.c,v 1.17 1999/01/12 11:49:30 eivind Exp $
  */
 
 /*
@@ -138,7 +138,7 @@ fdesc_unmount(mp, mntflags, p)
 	 */
 	if (rootvp->v_usecount > 1)
 		return (EBUSY);
-	if (error = vflush(mp, rootvp, flags))
+	if ((error = vflush(mp, rootvp, flags)) != 0)
 		return (error);
 
 	/*
diff --git a/sys/miscfs/fdesc/fdesc_vnops.c b/sys/miscfs/fdesc/fdesc_vnops.c
index fb8f4a169f25..6bdea5fc4ce8 100644
--- a/sys/miscfs/fdesc/fdesc_vnops.c
+++ b/sys/miscfs/fdesc/fdesc_vnops.c
@@ -35,7 +35,7 @@
  *
  *	@(#)fdesc_vnops.c	8.9 (Berkeley) 1/21/94
  *
- * $Id: fdesc_vnops.c,v 1.39 1998/12/07 21:58:31 archie Exp $
+ * $Id: fdesc_vnops.c,v 1.40 1998/12/14 05:00:57 dillon Exp $
  */
 
 /*
@@ -283,7 +283,7 @@ fdesc_lookup(ap)
 
 	case Fdevfd:
 		if (cnp->cn_namelen == 2 && bcmp(pname, "..", 2) == 0) {
-			if (error = fdesc_root(dvp->v_mount, vpp))
+			if ((error = fdesc_root(dvp->v_mount, vpp)) != 0)
 				goto bad;
 			return (0);
 		}
diff --git a/sys/miscfs/kernfs/kernfs_vnops.c b/sys/miscfs/kernfs/kernfs_vnops.c
index 81261a900920..f8ca7596fe15 100644
--- a/sys/miscfs/kernfs/kernfs_vnops.c
+++ b/sys/miscfs/kernfs/kernfs_vnops.c
@@ -34,7 +34,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)kernfs_vnops.c	8.15 (Berkeley) 5/21/95
- * $Id: kernfs_vnops.c,v 1.36 1998/12/04 22:54:51 archie Exp $
+ * $Id: kernfs_vnops.c,v 1.37 1998/12/07 21:58:31 archie Exp $
  */
 
 /*
@@ -293,8 +293,8 @@ kernfs_lookup(ap)
 #ifdef KERNFS_DIAGNOSTIC
 	printf("kernfs_lookup: allocate new vnode\n");
 #endif
-	if (error = getnewvnode(VT_KERNFS, dvp->v_mount, kernfs_vnodeop_p,
-	    &fvp)) {
+	if ((error = getnewvnode(VT_KERNFS, dvp->v_mount, kernfs_vnodeop_p,
+	    &fvp)) != 0) {
 		vn_lock(dvp, LK_SHARED | LK_RETRY, p);
 		return (error);
 	}
@@ -466,7 +466,7 @@ kernfs_read(ap)
 #endif
 
 	len = 0;
-	if (error = kernfs_xread(kt, strbuf, sizeof(strbuf), &len))
+	if ((error = kernfs_xread(kt, strbuf, sizeof(strbuf), &len)) != 0)
 		return (error);
 	if (len <= off)
 		return (0);
@@ -497,7 +497,7 @@ kernfs_write(ap)
 		return (EINVAL);
 
 	xlen = min(uio->uio_resid, KSTRING-1);
-	if (error = uiomove(strbuf, xlen, uio))
+	if ((error = uiomove(strbuf, xlen, uio)) != 0)
 		return (error);
 
 	if (uio->uio_resid != 0)
@@ -566,7 +566,7 @@ kernfs_readdir(ap)
 		/*
 		 * And ship to userland
 		 */
-		if (error = uiomove((caddr_t)dp, UIO_MX, uio))
+		if ((error = uiomove((caddr_t)dp, UIO_MX, uio)) != 0)
 			break;
 	}
 
diff --git a/sys/miscfs/nullfs/null_vnops.c b/sys/miscfs/nullfs/null_vnops.c
index b2e1b63af955..514ba82c6d04 100644
--- a/sys/miscfs/nullfs/null_vnops.c
+++ b/sys/miscfs/nullfs/null_vnops.c
@@ -37,11 +37,11 @@
  *
  * Ancestors:
  *	@(#)lofs_vnops.c	1.2 (Berkeley) 6/18/92
- *	$Id: null_vnops.c,v 1.29 1998/07/04 20:45:33 julian Exp $
+ *	$Id: null_vnops.c,v 1.30 1998/12/07 21:58:32 archie Exp $
  *	...and...
  *	@(#)null_vnodeops.c 1.20 92/07/07 UCLA Ficus project
  *
- * $Id: null_vnops.c,v 1.29 1998/07/04 20:45:33 julian Exp $
+ * $Id: null_vnops.c,v 1.30 1998/12/07 21:58:32 archie Exp $
  */
 
 /*
@@ -484,6 +484,8 @@ null_access(ap)
 			if (vp->v_mount->mnt_flag & MNT_RDONLY)
 				return (EROFS);
 			break;
+		default:
+			break;
 		}
 	}
 	return (null_bypass((struct vop_generic_args *)ap));
diff --git a/sys/miscfs/procfs/procfs_subr.c b/sys/miscfs/procfs/procfs_subr.c
index 813232cb5fb3..98e36879a4b6 100644
--- a/sys/miscfs/procfs/procfs_subr.c
+++ b/sys/miscfs/procfs/procfs_subr.c
@@ -36,7 +36,7 @@
  *
  *	@(#)procfs_subr.c	8.6 (Berkeley) 5/14/95
  *
- *	$Id: procfs_subr.c,v 1.21 1997/12/12 03:33:43 sef Exp $
+ *	$Id: procfs_subr.c,v 1.22 1999/01/05 03:53:06 peter Exp $
  */
 
 #include <sys/param.h>
@@ -119,7 +119,7 @@ procfs_allocvp(mp, vpp, pid, pfs_type)
 	 */
 	MALLOC(pfs, struct pfsnode *, sizeof(struct pfsnode), M_TEMP, M_WAITOK);
 
-	if (error = getnewvnode(VT_PROCFS, mp, procfs_vnodeop_p, vpp)) {
+	if ((error = getnewvnode(VT_PROCFS, mp, procfs_vnodeop_p, vpp)) != 0) {
 		FREE(pfs, M_TEMP);
 		goto out;
 	}
@@ -327,7 +327,7 @@ vfs_getuserstr(uio, buf, buflenp)
 		return (EMSGSIZE);
 	xlen = uio->uio_resid;
 
-	if (error = uiomove(buf, xlen, uio))
+	if ((error = uiomove(buf, xlen, uio)) != 0)
 		return (error);
 
 	/* allow multiple writes without seeks */
diff --git a/sys/miscfs/procfs/procfs_vnops.c b/sys/miscfs/procfs/procfs_vnops.c
index daab08f2c240..1aa545331884 100644
--- a/sys/miscfs/procfs/procfs_vnops.c
+++ b/sys/miscfs/procfs/procfs_vnops.c
@@ -36,7 +36,7 @@
  *
  *	@(#)procfs_vnops.c	8.18 (Berkeley) 5/21/95
  *
- *	$Id: procfs_vnops.c,v 1.62 1998/12/04 22:54:51 archie Exp $
+ *	$Id: procfs_vnops.c,v 1.63 1999/01/05 03:53:06 peter Exp $
  */
 
 /*
@@ -137,8 +137,8 @@ procfs_open(ap)
 
 	switch (pfs->pfs_type) {
 	case Pmem:
-		if ((pfs->pfs_flags & FWRITE) && (ap->a_mode & O_EXCL) ||
-		    (pfs->pfs_flags & O_EXCL) && (ap->a_mode & FWRITE))
+		if (((pfs->pfs_flags & FWRITE) && (ap->a_mode & O_EXCL)) ||
+		    ((pfs->pfs_flags & O_EXCL) && (ap->a_mode & FWRITE)))
 			return (EBUSY);
 
 		p1 = ap->a_p;
@@ -285,7 +285,7 @@ procfs_ioctl(ap)
 	case PIOCCONT:	/* Restart a proc */
 	  if (procp->p_step == 0)
 	    return EINVAL;	/* Can only start a stopped process */
-	  if (signo = *(int*)ap->a_data) {
+	  if ((signo = *(int*)ap->a_data) != 0) {
 	    if (signo >= NSIG || signo <= 0)
 	      return EINVAL;
 	    psignal(procp, signo);
@@ -847,7 +847,7 @@ procfs_readdir(ap)
 			bcopy(pt->pt_name, dp->d_name, pt->pt_namlen + 1);
 			dp->d_type = pt->pt_type;
 
-			if (error = uiomove((caddr_t)dp, UIO_MX, uio))
+			if ((error = uiomove((caddr_t)dp, UIO_MX, uio)) != 0)
 				break;
 		}
 
@@ -906,7 +906,7 @@ procfs_readdir(ap)
 				break;
 			}
 
-			if (error = uiomove((caddr_t)dp, UIO_MX, uio))
+			if ((error = uiomove((caddr_t)dp, UIO_MX, uio)) != 0)
 				break;
 		}
 	done:
diff --git a/sys/miscfs/specfs/spec_vnops.c b/sys/miscfs/specfs/spec_vnops.c
index 6096a1b90a3f..88290e436617 100644
--- a/sys/miscfs/specfs/spec_vnops.c
+++ b/sys/miscfs/specfs/spec_vnops.c
@@ -31,7 +31,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)spec_vnops.c	8.14 (Berkeley) 5/21/95
- * $Id: spec_vnops.c,v 1.78 1998/12/16 00:10:51 eivind Exp $
+ * $Id: spec_vnops.c,v 1.79 1999/01/21 08:29:07 dillon Exp $
  */
 
 #include <sys/param.h>
@@ -210,7 +210,7 @@ spec_open(ap)
 		error = (*cdevsw[maj]->d_open)(dev, ap->a_mode, S_IFCHR, p);
 		vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);
 		return (error);
-
+		/* NOT REACHED */
 	case VBLK:
 		if ((u_int)maj >= nblkdev)
 			return (ENXIO);
@@ -233,6 +233,9 @@ spec_open(ap)
 		if (error)
 			return (error);
 		return ((*bdevsw[maj]->d_open)(dev, ap->a_mode, S_IFBLK, p));
+		/* NOT REACHED */
+	default:
+		break;
 	}
 	return (0);
 }
diff --git a/sys/miscfs/union/union_vfsops.c b/sys/miscfs/union/union_vfsops.c
index fb700cca5d7b..db4d4d3b14e8 100644
--- a/sys/miscfs/union/union_vfsops.c
+++ b/sys/miscfs/union/union_vfsops.c
@@ -35,7 +35,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)union_vfsops.c	8.20 (Berkeley) 5/20/95
- * $Id: union_vfsops.c,v 1.29 1998/05/06 05:29:37 msmith Exp $
+ * $Id: union_vfsops.c,v 1.30 1998/09/07 13:17:02 bde Exp $
  */
 
 /*
@@ -325,7 +325,7 @@ union_unmount(mp, mntflags, p)
 	if (mntflags & MNT_FORCE)
 		flags |= FORCECLOSE;
 
-	if (error = union_root(mp, &um_rootvp))
+	if ((error = union_root(mp, &um_rootvp)) != 0)
 		return (error);
 
 	/*
diff --git a/sys/miscfs/union/union_vnops.c b/sys/miscfs/union/union_vnops.c
index 87fda6d6cc81..ba9b2a3315bb 100644
--- a/sys/miscfs/union/union_vnops.c
+++ b/sys/miscfs/union/union_vnops.c
@@ -35,7 +35,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)union_vnops.c	8.32 (Berkeley) 6/23/95
- * $Id: union_vnops.c,v 1.58 1998/07/04 20:45:35 julian Exp $
+ * $Id: union_vnops.c,v 1.59 1998/12/14 05:00:59 dillon Exp $
  */
 
 #include <sys/param.h>
@@ -695,8 +695,12 @@ union_access(ap)
 	 */
 	if (ap->a_mode & VWRITE && (ap->a_vp->v_mount->mnt_flag & MNT_RDONLY)) {
 		switch (ap->a_vp->v_type) {
-		case VREG: case VDIR: case VLNK:
+		case VREG: 
+		case VDIR:
+		case VLNK:
 			return (EROFS);
+		default:
+			break;
 		}
 	}
 	if ((vp = un->un_uppervp) != NULLVP) {
diff --git a/sys/msdosfs/msdosfs_vfsops.c b/sys/msdosfs/msdosfs_vfsops.c
index b3a63b55d613..bca552c80742 100644
--- a/sys/msdosfs/msdosfs_vfsops.c
+++ b/sys/msdosfs/msdosfs_vfsops.c
@@ -1,4 +1,4 @@
-/*	$Id: msdosfs_vfsops.c,v 1.38 1998/10/31 15:31:24 peter Exp $ */
+/*	$Id: msdosfs_vfsops.c,v 1.39 1998/12/07 21:58:35 archie Exp $ */
 /*	$NetBSD: msdosfs_vfsops.c,v 1.51 1997/11/17 15:36:58 ws Exp $	*/
 
 /*-
@@ -911,9 +911,9 @@ msdosfs_sync(mp, waitfor, cred, p)
 		nvp = vp->v_mntvnodes.le_next;
 		dep = VTODE(vp);
 		if (vp->v_type == VNON ||
-		    (dep->de_flag &
+		    ((dep->de_flag &
 		    (DE_ACCESS | DE_CREATE | DE_UPDATE | DE_MODIFIED)) == 0 &&
-		    (TAILQ_EMPTY(&vp->v_dirtyblkhd) || waitfor == MNT_LAZY)) {
+		    (TAILQ_EMPTY(&vp->v_dirtyblkhd) || waitfor == MNT_LAZY))) {
 			simple_unlock(&vp->v_interlock);
 			continue;
 		}
diff --git a/sys/msdosfs/msdosfs_vnops.c b/sys/msdosfs/msdosfs_vnops.c
index aad4e6ba9f1e..36aa91d73af7 100644
--- a/sys/msdosfs/msdosfs_vnops.c
+++ b/sys/msdosfs/msdosfs_vnops.c
@@ -1,4 +1,4 @@
-/*	$Id: msdosfs_vnops.c,v 1.79 1998/11/29 22:38:57 dt Exp $ */
+/*	$Id: msdosfs_vnops.c,v 1.80 1998/12/07 21:58:35 archie Exp $ */
 /*	$NetBSD: msdosfs_vnops.c,v 1.68 1998/02/10 14:10:04 mrg Exp $	*/
 
 /*-
@@ -278,6 +278,8 @@ msdosfs_access(ap)
 			if (vp->v_mount->mnt_flag & MNT_RDONLY)
 				return (EROFS);
 			break;
+		default:
+			break;
 		}
 	}
 
@@ -485,11 +487,14 @@ msdosfs_setattr(ap)
 		switch (vp->v_type) {
 		case VDIR:
 			return (EISDIR);
+			/* NOT REACHED */
 		case VLNK:
 		case VREG:
 			if (vp->v_mount->mnt_flag & MNT_RDONLY)
 				return (EROFS);
 			break;
+		default:
+			break;
 		}
 		error = detrunc(dep, vap->va_size, 0, cred, ap->a_p);
 		if (error)
diff --git a/sys/net/bpf.c b/sys/net/bpf.c
index 001d797fed4a..a49ac6d8ad24 100644
--- a/sys/net/bpf.c
+++ b/sys/net/bpf.c
@@ -37,7 +37,7 @@
  *
  *      @(#)bpf.c	8.2 (Berkeley) 3/28/94
  *
- * $Id: bpf.c,v 1.45 1998/11/11 10:04:09 truckman Exp $
+ * $Id: bpf.c,v 1.46 1998/12/07 21:58:36 archie Exp $
  */
 
 #include "bpfilter.h"
@@ -985,7 +985,7 @@ bpf_ifname(ifp, ifr)
 	char *s = ifp->if_name;
 	char *d = ifr->ifr_name;
 
-	while (*d++ = *s++)
+	while ((*d++ = *s++) != 0)
 		continue;
 	d--; /* back to the null */
 	/* XXX Assume that unit number is less than 10. */
diff --git a/sys/net/if_fddisubr.c b/sys/net/if_fddisubr.c
index 67b7af1eabf9..11d3a5aa456d 100644
--- a/sys/net/if_fddisubr.c
+++ b/sys/net/if_fddisubr.c
@@ -33,7 +33,7 @@
  * SUCH DAMAGE.
  *
  *	from: if_ethersubr.c,v 1.5 1994/12/13 22:31:45 wollman Exp
- * $Id: if_fddisubr.c,v 1.32 1998/06/14 20:58:14 julian Exp $
+ * $Id: if_fddisubr.c,v 1.33 1998/06/21 14:53:23 bde Exp $
  */
 
 #include "opt_atalk.h"
@@ -149,9 +149,9 @@ fddi_output(ifp, m0, dst, rt0)
 		senderr(ENETDOWN);
 	getmicrotime(&ifp->if_lastchange);
 #if !defined(__bsdi__) || _BSDI_VERSION >= 199401
-	if (rt = rt0) {
+	if ((rt = rt0) != NULL) {
 		if ((rt->rt_flags & RTF_UP) == 0) {
-			if (rt0 = rt = RTALLOC1(dst, 1))
+			if ((rt0 = rt = RTALLOC1(dst, 1)) != NULL)
 				rt->rt_refcnt--;
 			else 
 				senderr(EHOSTUNREACH);
diff --git a/sys/net/if_sl.c b/sys/net/if_sl.c
index 151df6e0d374..e1c629670494 100644
--- a/sys/net/if_sl.c
+++ b/sys/net/if_sl.c
@@ -31,7 +31,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)if_sl.c	8.6 (Berkeley) 2/1/94
- * $Id: if_sl.c,v 1.70 1998/07/15 02:32:23 bde Exp $
+ * $Id: if_sl.c,v 1.71 1999/01/21 08:29:07 dillon Exp $
  */
 
 /*
@@ -603,7 +603,7 @@ slstart(tp)
 				bcopy(mtod(m1, caddr_t), cp, mlen);
 				cp += mlen;
 				len += mlen;
-			} while (m1 = m1->m_next);
+			} while ((m1 = m1->m_next) != NULL);
 		}
 #endif
 		ip = mtod(m, struct ip *);
diff --git a/sys/net/if_tun.c b/sys/net/if_tun.c
index ed98e6c0a539..c395ee3ae1ac 100644
--- a/sys/net/if_tun.c
+++ b/sys/net/if_tun.c
@@ -480,8 +480,8 @@ tunread(dev, uio, flag)
 				return EWOULDBLOCK;
 			}
 			tp->tun_flags |= TUN_RWAIT;
-			if( error = tsleep((caddr_t)tp, PCATCH | (PZERO + 1),
-					"tunread", 0)) {
+			if((error = tsleep((caddr_t)tp, PCATCH | (PZERO + 1),
+					"tunread", 0)) != 0) {
 				splx(s);
 				return error;
 			}
diff --git a/sys/net/route.c b/sys/net/route.c
index f011264c793c..6a17db6a1928 100644
--- a/sys/net/route.c
+++ b/sys/net/route.c
@@ -31,7 +31,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)route.c	8.2 (Berkeley) 11/15/93
- *	$Id: route.c,v 1.49 1998/02/09 06:09:59 eivind Exp $
+ *	$Id: route.c,v 1.50 1998/04/17 22:36:57 des Exp $
  */
 
 #include "opt_inet.h"
@@ -566,7 +566,7 @@ rtrequest(req, dst, gateway, netmask, flags, ret_nrt)
 		 * Add the gateway. Possibly re-malloc-ing the storage for it
 		 * also add the rt_gwroute if possible.
 		 */
-		if (error = rt_setgate(rt, dst, gateway)) {
+		if ((error = rt_setgate(rt, dst, gateway)) != 0) {
 			Free(rt);
 			senderr(error);
 		}
diff --git a/sys/net/rtsock.c b/sys/net/rtsock.c
index 97707e3ffbf6..bf5da6e18d4d 100644
--- a/sys/net/rtsock.c
+++ b/sys/net/rtsock.c
@@ -31,7 +31,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)rtsock.c	8.5 (Berkeley) 11/2/94
- *	$Id: rtsock.c,v 1.36 1997/10/28 15:58:37 bde Exp $
+ *	$Id: rtsock.c,v 1.37 1997/10/31 08:53:13 davidg Exp $
  */
 
 
@@ -356,8 +356,8 @@ route_output(m, so)
 	case RTM_LOCK:
 		if ((rnh = rt_tables[dst->sa_family]) == 0) {
 			senderr(EAFNOSUPPORT);
-		} else if (rt = (struct rtentry *)
-				rnh->rnh_lookup(dst, netmask, rnh))
+		} else if ((rt = (struct rtentry *)
+				rnh->rnh_lookup(dst, netmask, rnh)) != NULL)
 			rt->rt_refcnt++;
 		else
 			senderr(ESRCH);
diff --git a/sys/net/zlib.c b/sys/net/zlib.c
index f16092db1a4b..687e3801eb9f 100644
--- a/sys/net/zlib.c
+++ b/sys/net/zlib.c
@@ -10,7 +10,7 @@
  * - added inflateIncomp and deflateOutputPending
  * - allow strm->next_out to be NULL, meaning discard the output
  *
- * $Id: zlib.c,v 1.6 1998/03/21 20:56:15 peter Exp $
+ * $Id: zlib.c,v 1.7 1998/06/20 16:28:04 peter Exp $
  */
 
 /* 
@@ -99,7 +99,7 @@ extern const char *z_errmsg[10]; /* indexed by 2-zlib_error */
 #define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)]
 
 #define ERR_RETURN(strm,err) \
-  return (strm->msg = (char*)ERR_MSG(err), (err))
+  return (strm->msg = (const char*)ERR_MSG(err), (err))
 /* To be used only when the state is known to be valid */
 
         /* common constants */
@@ -807,7 +807,7 @@ int deflateInit2_(strm, level, method, windowBits, memLevel, strategy,
 
     if (s->window == Z_NULL || s->prev == Z_NULL || s->head == Z_NULL ||
         s->pending_buf == Z_NULL) {
-        strm->msg = (char*)ERR_MSG(Z_MEM_ERROR);
+        strm->msg = (const char*)ERR_MSG(Z_MEM_ERROR);
         deflateEnd (strm);
         return Z_MEM_ERROR;
     }
diff --git a/sys/net/zlib.h b/sys/net/zlib.h
index 13fe524f91a4..b9499cb72549 100644
--- a/sys/net/zlib.h
+++ b/sys/net/zlib.h
@@ -1,4 +1,4 @@
-/*	$Id: zlib.h,v 1.3 1997/08/19 14:10:50 peter Exp $	*/
+/*	$Id: zlib.h,v 1.4 1998/03/21 20:56:16 peter Exp $	*/
 
 /*
  * This file is derived from zlib.h and zconf.h from the zlib-1.0.4
@@ -281,7 +281,7 @@ typedef struct z_stream_s {
     uInt     avail_out; /* remaining free space at next_out */
     uLong    total_out; /* total nb of bytes output so far */
 
-    char     *msg;      /* last error message, NULL if no error */
+    const char     *msg; /* last error message, NULL if no error */
     struct internal_state FAR *state; /* not visible by applications */
 
     alloc_func zalloc;  /* used to allocate the internal state */
diff --git a/sys/netatalk/aarp.c b/sys/netatalk/aarp.c
index 27295dc46781..e6023d696944 100644
--- a/sys/netatalk/aarp.c
+++ b/sys/netatalk/aarp.c
@@ -404,7 +404,7 @@ at_aarpinput( struct arpcom *ac, struct mbuf *m)
 
     if ( aat == 0 && tpa.s_net == ma.s_net && tpa.s_node == ma.s_node
 	    && op != AARPOP_PROBE ) {
-	if ( aat = aarptnew( &spa )) {
+	if ((aat = aarptnew( &spa )) != NULL) {
 	    bcopy(( caddr_t )ea->aarp_sha, ( caddr_t )aat->aat_enaddr,
 		    sizeof( ea->aarp_sha ));
 	    aat->aat_flags |= ATF_COM;
diff --git a/sys/netatalk/at_control.c b/sys/netatalk/at_control.c
index 2138995d3b48..7900fe5c91b7 100644
--- a/sys/netatalk/at_control.c
+++ b/sys/netatalk/at_control.c
@@ -342,9 +342,9 @@ at_scrub( ifp, aa )
 
     if ( aa->aa_flags & AFA_ROUTE ) {
 	if (ifp->if_flags & IFF_LOOPBACK) {
-		if (error = aa_delsingleroute(&aa->aa_ifa,
+		if ((error = aa_delsingleroute(&aa->aa_ifa,
 					&aa->aa_addr.sat_addr,
-					&aa->aa_netmask.sat_addr)) {
+					&aa->aa_netmask.sat_addr)) != 0) {
 	    		return( error );
 		}
 	} else if (ifp->if_flags & IFF_POINTOPOINT) {
diff --git a/sys/netatalk/ddp_pcb.c b/sys/netatalk/ddp_pcb.c
index ce681ffc509a..625382119344 100644
--- a/sys/netatalk/ddp_pcb.c
+++ b/sys/netatalk/ddp_pcb.c
@@ -349,7 +349,7 @@ at_pcbconnect(struct ddpcb *ddp, struct sockaddr *addr, struct proc *p)
 	    net = sat->sat_addr.s_net;
 	}
 	aa = 0;
-	if ( ifp = ro->ro_rt->rt_ifp ) {
+	if ((ifp = ro->ro_rt->rt_ifp) != NULL) {
 	    for ( aa = at_ifaddr; aa; aa = aa->aa_next ) {
 		if ( aa->aa_ifp == ifp &&
 			ntohs( net ) >= ntohs( aa->aa_firstnet ) &&
diff --git a/sys/netatalk/ddp_usrreq.c b/sys/netatalk/ddp_usrreq.c
index ce681ffc509a..625382119344 100644
--- a/sys/netatalk/ddp_usrreq.c
+++ b/sys/netatalk/ddp_usrreq.c
@@ -349,7 +349,7 @@ at_pcbconnect(struct ddpcb *ddp, struct sockaddr *addr, struct proc *p)
 	    net = sat->sat_addr.s_net;
 	}
 	aa = 0;
-	if ( ifp = ro->ro_rt->rt_ifp ) {
+	if ((ifp = ro->ro_rt->rt_ifp) != NULL) {
 	    for ( aa = at_ifaddr; aa; aa = aa->aa_next ) {
 		if ( aa->aa_ifp == ifp &&
 			ntohs( net ) >= ntohs( aa->aa_firstnet ) &&
diff --git a/sys/netatm/atm_if.c b/sys/netatm/atm_if.c
index a3609551b484..b4f9ce6e117b 100644
--- a/sys/netatm/atm_if.c
+++ b/sys/netatm/atm_if.c
@@ -23,7 +23,7 @@
  * Copies of this Software may be made, however, the above copyright
  * notice must be reproduced on all copies.
  *
- *	@(#) $Id: atm_if.c,v 1.2 1998/10/31 20:06:54 phk Exp $
+ *	@(#) $Id: atm_if.c,v 1.3 1998/12/04 22:54:52 archie Exp $
  *
  */
 
@@ -38,7 +38,7 @@
 #include <netatm/kern_include.h>
 
 #ifndef lint
-__RCSID("@(#) $Id: atm_if.c,v 1.2 1998/10/31 20:06:54 phk Exp $");
+__RCSID("@(#) $Id: atm_if.c,v 1.3 1998/12/04 22:54:52 archie Exp $");
 #endif
 
 
@@ -428,14 +428,14 @@ atm_physif_ioctl(code, data, arg)
 		/*
 		 * Copy interface name into response
 		 */
-		if ( err = copyout ( ifname, apsp->app_intf, IFNAMSIZ ) )
+		if ((err = copyout ( ifname, apsp->app_intf, IFNAMSIZ)) != 0)
 			break;
 
 		/*
 		 * Copy counters
 		 */
-		if ( err = copyout ( &pip->pif_ipdus, &apsp->app_ipdus,
-		    len - sizeof ( apsp->app_intf ) ) )
+		if ((err = copyout(&pip->pif_ipdus, &apsp->app_ipdus,
+		    len - sizeof(apsp->app_intf))) != 0)
 			break;
 
 		/*
@@ -524,8 +524,7 @@ atm_physif_ioctl(code, data, arg)
 			}
 #endif
 
-			if ( err = atm_nif_attach ( nip ) )
-			{
+			if ((err = atm_nif_attach(nip)) != 0) {
 				atm_free ( (caddr_t)nip );
 
 				/*
diff --git a/sys/netatm/atm_subr.c b/sys/netatm/atm_subr.c
index 328b6be5a57f..261ea109ad2e 100644
--- a/sys/netatm/atm_subr.c
+++ b/sys/netatm/atm_subr.c
@@ -23,7 +23,7 @@
  * Copies of this Software may be made, however, the above copyright
  * notice must be reproduced on all copies.
  *
- *	@(#) $Id: atm_subr.c,v 1.2 1998/09/17 09:34:59 phk Exp $
+ *	@(#) $Id: atm_subr.c,v 1.3 1998/10/31 20:06:54 phk Exp $
  *
  */
 
@@ -38,7 +38,7 @@
 #include <netatm/kern_include.h>
 
 #ifndef lint
-__RCSID("@(#) $Id: atm_subr.c,v 1.2 1998/09/17 09:34:59 phk Exp $");
+__RCSID("@(#) $Id: atm_subr.c,v 1.3 1998/10/31 20:06:54 phk Exp $");
 #endif
 
 
@@ -54,7 +54,7 @@ struct ifqueue		atm_intrq;
 #ifdef sgi
 int			atm_intr_index;
 #endif
-struct atm_sock_stat	atm_sock_stat = {0};
+struct atm_sock_stat	atm_sock_stat = { { 0 } };
 int			atm_init = 0;
 int			atm_debug = 0;
 int			atm_dev_print = 0;
diff --git a/sys/netatm/atm_usrreq.c b/sys/netatm/atm_usrreq.c
index 278d9f8f8574..00a4e38cebe4 100644
--- a/sys/netatm/atm_usrreq.c
+++ b/sys/netatm/atm_usrreq.c
@@ -23,7 +23,7 @@
  * Copies of this Software may be made, however, the above copyright
  * notice must be reproduced on all copies.
  *
- *	@(#) $Id: atm_usrreq.c,v 1.2 1998/10/31 20:06:54 phk Exp $
+ *	@(#) $Id: atm_usrreq.c,v 1.3 1999/01/19 23:16:10 mks Exp $
  *
  */
 
@@ -38,7 +38,7 @@
 #include <netatm/kern_include.h>
 
 #ifndef lint
-__RCSID("@(#) $Id: atm_usrreq.c,v 1.2 1998/10/31 20:06:54 phk Exp $");
+__RCSID("@(#) $Id: atm_usrreq.c,v 1.3 1999/01/19 23:16:10 mks Exp $");
 #endif
 
 
@@ -515,7 +515,7 @@ atm_dgram_info(data)
 		 * Get ARP table information
 		 */
 		for (pip = atm_interface_head; pip; pip = pip->pif_next) {
-			if (smp = pip->pif_sigmgr) {
+			if ((smp = pip->pif_sigmgr) != NULL) {
 				err = (*smp->sm_ioctl)(AIOCS_INF_ARP,
 					data, (caddr_t)pip->pif_siginst);
 			}
@@ -533,7 +533,7 @@ atm_dgram_info(data)
 			 * Interface specified
 			 */
 			if ((nip = atm_nifname(aip->air_asrv_intf))) {
-				if (smp = nip->nif_pif->pif_sigmgr) {
+				if ((smp = nip->nif_pif->pif_sigmgr) != NULL) {
 					err = (*smp->sm_ioctl)(AIOCS_INF_ASV,
 						data, (caddr_t)nip);
 				}
@@ -546,7 +546,7 @@ atm_dgram_info(data)
 			 */
 			for (pip = atm_interface_head; pip;
 					pip = pip->pif_next) {
-				if (smp = pip->pif_sigmgr) {
+				if ((smp = pip->pif_sigmgr) != NULL) {
 					for (nip = pip->pif_nif; nip; 
 							nip = nip->nif_pnext) {
 						err = (*smp->sm_ioctl)
@@ -599,7 +599,7 @@ atm_dgram_info(data)
 			 * Interface specified
 			 */
 			if ((pip = atm_pifname(aip->air_vcc_intf))) {
-				if (smp = pip->pif_sigmgr) {
+				if ((smp = pip->pif_sigmgr) != NULL) {
 					err = (*smp->sm_ioctl)(AIOCS_INF_VCC,
 						data,
 						(caddr_t)pip->pif_siginst);
@@ -613,7 +613,7 @@ atm_dgram_info(data)
 			 */
 			for (pip = atm_interface_head; pip; 
 					pip = pip->pif_next) {
-				if (smp = pip->pif_sigmgr) {
+				if ((smp = pip->pif_sigmgr) != NULL) {
 					err = (*smp->sm_ioctl)(AIOCS_INF_VCC,
 						data,
 						(caddr_t)pip->pif_siginst);
@@ -694,9 +694,9 @@ atm_dgram_info(data)
 			err = ENOSPC;
 			break;
 		}
-		if (err = copyout((caddr_t)&atm_version,
+		if ((err = copyout((caddr_t)&atm_version,
 				aip->air_buf_addr,
-				sizeof(atm_version))) {
+				sizeof(atm_version))) != 0) {
 			break;
 		}
 		aip->air_buf_addr += sizeof(atm_version);
diff --git a/sys/netatm/ipatm/ipatm_load.c b/sys/netatm/ipatm/ipatm_load.c
index 38254150b1e2..f82d984ca705 100644
--- a/sys/netatm/ipatm/ipatm_load.c
+++ b/sys/netatm/ipatm/ipatm_load.c
@@ -23,7 +23,7 @@
  * Copies of this Software may be made, however, the above copyright
  * notice must be reproduced on all copies.
  *
- *	@(#) $Id: ipatm_load.c,v 1.1 1998/09/15 08:23:00 phk Exp $
+ *	@(#) $Id: ipatm_load.c,v 1.2 1998/10/31 20:06:55 phk Exp $
  *
  */
 
@@ -46,7 +46,7 @@
 #include <netatm/ipatm/ipatm_serv.h>
 
 #ifndef lint
-__RCSID("@(#) $Id: ipatm_load.c,v 1.1 1998/09/15 08:23:00 phk Exp $");
+__RCSID("@(#) $Id: ipatm_load.c,v 1.2 1998/10/31 20:06:55 phk Exp $");
 #endif
 
 
@@ -501,9 +501,9 @@ ipatm_start()
 		/*
 		 * Now start listening
 		 */
-		if (err = atm_cm_listen(&ipatm_endpt, (void *)i,
+		if ((err = atm_cm_listen(&ipatm_endpt, (void *)i,
 				&ipatm_listeners[i].attr,
-				&ipatm_listeners[i].conn))
+				&ipatm_listeners[i].conn)) != 0)
 			goto done;
 	}
 
@@ -569,7 +569,7 @@ ipatm_stop()
 	/*
 	 * Detach all our interfaces
 	 */
-	while (inp = ipatm_nif_head) {
+	while ((inp = ipatm_nif_head) != NULL) {
 		(void) ipatm_nifstat(NCM_DETACH, inp->inf_nif, 0);
 	}
 	
diff --git a/sys/netatm/sigpvc/sigpvc_if.c b/sys/netatm/sigpvc/sigpvc_if.c
index b3af607af6a1..7cdef3f4e995 100644
--- a/sys/netatm/sigpvc/sigpvc_if.c
+++ b/sys/netatm/sigpvc/sigpvc_if.c
@@ -23,7 +23,7 @@
  * Copies of this Software may be made, however, the above copyright
  * notice must be reproduced on all copies.
  *
- *	@(#) $Id: sigpvc_if.c,v 1.3 1998/12/04 22:54:53 archie Exp $
+ *	@(#) $Id: sigpvc_if.c,v 1.4 1999/01/19 23:11:39 mks Exp $
  *
  */
 
@@ -46,7 +46,7 @@
 #include <netatm/sigpvc/sigpvc_var.h>
 
 #ifndef lint
-__RCSID("@(#) $Id: sigpvc_if.c,v 1.3 1998/12/04 22:54:53 archie Exp $");
+__RCSID("@(#) $Id: sigpvc_if.c,v 1.4 1999/01/19 23:11:39 mks Exp $");
 #endif
 
 
@@ -639,7 +639,7 @@ sigpvc_ioctl(code, data, arg1)
 			/*
 			 * Copy data to user buffer and update buffer info
 			 */
-			if (err = copyout((caddr_t)&avr, cp, sizeof(avr)))
+			if ((err = copyout((caddr_t)&avr, cp, sizeof(avr))) != 0)
 				break;
 			cp += sizeof(avr);
 			space -= sizeof(avr);
diff --git a/sys/netatm/spans/spans_arp.c b/sys/netatm/spans/spans_arp.c
index d2d65e6c3879..b291e55f8301 100644
--- a/sys/netatm/spans/spans_arp.c
+++ b/sys/netatm/spans/spans_arp.c
@@ -23,7 +23,7 @@
  * Copies of this Software may be made, however, the above copyright
  * notice must be reproduced on all copies.
  *
- *	@(#) $Id: spans_arp.c,v 1.3 1998/12/04 22:54:53 archie Exp $
+ *	@(#) $Id: spans_arp.c,v 1.4 1999/01/19 23:11:40 mks Exp $
  *
  */
 
@@ -44,7 +44,7 @@
 #include <netatm/spans/spans_cls.h>
 
 #ifndef lint
-__RCSID("@(#) $Id: spans_arp.c,v 1.3 1998/12/04 22:54:53 archie Exp $");
+__RCSID("@(#) $Id: spans_arp.c,v 1.4 1999/01/19 23:11:40 mks Exp $");
 #endif
 
 
@@ -1108,8 +1108,8 @@ spansarp_ioctl(code, data, arg1)
 				/*
 				 * Copy the response into the user's buffer
 				 */
-				if (err = copyout((caddr_t)&aar, buf_addr, 
-							sizeof(aar)))
+				if ((err = copyout((caddr_t)&aar, buf_addr, 
+							sizeof(aar))) != 0)
 					break;
 				buf_addr += sizeof(aar);
 				buf_len -= sizeof(aar);
diff --git a/sys/netatm/spans/spans_cls.c b/sys/netatm/spans/spans_cls.c
index 17dc135fc547..24dd44f2b725 100644
--- a/sys/netatm/spans/spans_cls.c
+++ b/sys/netatm/spans/spans_cls.c
@@ -23,7 +23,7 @@
  * Copies of this Software may be made, however, the above copyright
  * notice must be reproduced on all copies.
  *
- *	@(#) $Id: spans_cls.c,v 1.2 1998/10/31 20:06:56 phk Exp $
+ *	@(#) $Id: spans_cls.c,v 1.3 1998/12/04 22:54:53 archie Exp $
  *
  */
 
@@ -44,7 +44,7 @@
 #include <netatm/spans/spans_cls.h>
 
 #ifndef lint
-__RCSID("@(#) $Id: spans_cls.c,v 1.2 1998/10/31 20:06:56 phk Exp $");
+__RCSID("@(#) $Id: spans_cls.c,v 1.3 1998/12/04 22:54:53 archie Exp $");
 #endif
 
 
@@ -703,7 +703,7 @@ spanscls_cpcs_data(tok, m)
 		/*
 		 * Packet is ready for input to IP
 		 */
-		if (inp = clp->cls_ipnif)
+		if ((inp = clp->cls_ipnif) != NULL)
 			(void) (*inp->inf_ipinput)(inp, m);
 		else
 			KB_FREEALL(m);
diff --git a/sys/netatm/spans/spans_if.c b/sys/netatm/spans/spans_if.c
index 4557f26a662d..12c9a163bbb7 100644
--- a/sys/netatm/spans/spans_if.c
+++ b/sys/netatm/spans/spans_if.c
@@ -23,7 +23,7 @@
  * Copies of this Software may be made, however, the above copyright
  * notice must be reproduced on all copies.
  *
- *	@(#) $Id: spans_if.c,v 1.3 1998/10/31 20:06:56 phk Exp $
+ *	@(#) $Id: spans_if.c,v 1.4 1998/12/04 22:54:53 archie Exp $
  *
  */
 
@@ -46,7 +46,7 @@
 #include <netatm/spans/spans_var.h>
 
 #ifndef lint
-__RCSID("@(#) $Id: spans_if.c,v 1.3 1998/10/31 20:06:56 phk Exp $");
+__RCSID("@(#) $Id: spans_if.c,v 1.4 1998/12/04 22:54:53 archie Exp $");
 #endif
 
 /*
@@ -428,7 +428,7 @@ spans_detach(pip)
 	/*
 	 * Now close the SPANS signalling VCC
 	 */
-	if (cop = spp->sp_conn) {
+	if ((cop = spp->sp_conn) != NULL) {
 		err = atm_cm_release(cop, &spans_cause);
 		if (err)
 			ATM_DEBUG2(
@@ -727,7 +727,7 @@ spans_reject(vcp, errp)
 	 * Clean up the VCCB--the connection manager will free it
 	 * spans_close_vcc will send a SPANS open response
 	 */
-	if (*errp = spans_close_vcc(spp, svp, TRUE)) {
+	if ((*errp = spans_close_vcc(spp, svp, TRUE)) != 0) {
 		ATM_DEBUG0("spans_reject: spans_close_vcc failed\n");
 		return(CALL_FAILED);
 	}
@@ -1018,8 +1018,8 @@ spans_ioctl(code, data, arg1)
 			/*
 			 * Copy the response into the user's buffer
 			 */
-			if (err = copyout((caddr_t)&rsp, buf_addr,
-					sizeof(rsp)))
+			if ((err = copyout((caddr_t)&rsp, buf_addr,
+					sizeof(rsp))) != 0)
 				break;
 			buf_addr += sizeof(rsp);
 			buf_len -= sizeof(rsp);
diff --git a/sys/netatm/spans/spans_msg.c b/sys/netatm/spans/spans_msg.c
index f04cc7fb3bed..486da9ae4745 100644
--- a/sys/netatm/spans/spans_msg.c
+++ b/sys/netatm/spans/spans_msg.c
@@ -23,7 +23,7 @@
  * Copies of this Software may be made, however, the above copyright
  * notice must be reproduced on all copies.
  *
- *	@(#) $Id: spans_msg.c,v 1.2 1998/09/17 09:35:00 phk Exp $
+ *	@(#) $Id: spans_msg.c,v 1.3 1998/10/31 20:06:56 phk Exp $
  *
  */
 
@@ -42,7 +42,7 @@
 #include <netatm/spans/spans_var.h>
 
 #ifndef lint
-__RCSID("@(#) $Id: spans_msg.c,v 1.2 1998/09/17 09:35:00 phk Exp $");
+__RCSID("@(#) $Id: spans_msg.c,v 1.3 1998/10/31 20:06:56 phk Exp $");
 #endif
 
 /*
@@ -545,7 +545,7 @@ spans_open_req(spp, msg)
 	/*
 	 * See if the connection is new
 	 */
-	if (svp = spans_find_conn(spp, &msg->sm_open_req.opreq_conn)) {
+	if ((svp = spans_find_conn(spp, &msg->sm_open_req.opreq_conn)) != NULL) {
 		/*
 		 * We already have a VCCB that matches the connection in
 		 * the request
diff --git a/sys/netatm/spans/spans_print.c b/sys/netatm/spans/spans_print.c
index 99e8c94b1828..4068be94c233 100644
--- a/sys/netatm/spans/spans_print.c
+++ b/sys/netatm/spans/spans_print.c
@@ -23,7 +23,7 @@
  * Copies of this Software may be made, however, the above copyright
  * notice must be reproduced on all copies.
  *
- *	@(#) $Id: spans_print.c,v 1.3 1998/10/31 20:06:56 phk Exp $
+ *	@(#) $Id: spans_print.c,v 1.4 1998/12/04 22:54:53 archie Exp $
  *
  */
 
@@ -41,7 +41,7 @@
 #include <netatm/spans/spans_var.h>
 
 #ifndef lint
-__RCSID("@(#) $Id: spans_print.c,v 1.3 1998/10/31 20:06:56 phk Exp $");
+__RCSID("@(#) $Id: spans_print.c,v 1.4 1998/12/04 22:54:53 archie Exp $");
 #endif
 
 /*
@@ -1067,6 +1067,8 @@ spans_print_msgbody(objp)
 				rccnf_p->rccnf_conn.con_dsap,
 				rccnf_p->rccnf_conn.con_ssap);
 		break;
+	default:
+		break;
 	}
 	printf("\n");
 }
diff --git a/sys/netatm/uni/sscf_uni.c b/sys/netatm/uni/sscf_uni.c
index b73452442346..9f6824b81abc 100644
--- a/sys/netatm/uni/sscf_uni.c
+++ b/sys/netatm/uni/sscf_uni.c
@@ -23,7 +23,7 @@
  * Copies of this Software may be made, however, the above copyright
  * notice must be reproduced on all copies.
  *
- *	@(#) $Id: sscf_uni.c,v 1.3 1998/10/31 20:07:00 phk Exp $
+ *	@(#) $Id: sscf_uni.c,v 1.4 1998/12/04 22:54:53 archie Exp $
  *
  */
 
@@ -43,7 +43,7 @@
 #include <netatm/uni/sscf_uni_var.h>
 
 #ifndef lint
-__RCSID("@(#) $Id: sscf_uni.c,v 1.3 1998/10/31 20:07:00 phk Exp $");
+__RCSID("@(#) $Id: sscf_uni.c,v 1.4 1998/12/04 22:54:53 archie Exp $");
 #endif
 
 
@@ -107,7 +107,7 @@ sscf_uni_start()
 	/*
 	 * Register stack service
 	 */
-	if (err = atm_stack_register(&sscf_uni_service))
+	if ((err = atm_stack_register(&sscf_uni_service)) != 0)
 		goto done;
 
 done:
diff --git a/sys/netatm/uni/sscop_subr.c b/sys/netatm/uni/sscop_subr.c
index 16ad1395a243..44d0808aa09b 100644
--- a/sys/netatm/uni/sscop_subr.c
+++ b/sys/netatm/uni/sscop_subr.c
@@ -23,7 +23,7 @@
  * Copies of this Software may be made, however, the above copyright
  * notice must be reproduced on all copies.
  *
- *	@(#) $Id: sscop_subr.c,v 1.2 1998/09/17 09:35:01 phk Exp $
+ *	@(#) $Id: sscop_subr.c,v 1.3 1998/10/31 20:07:00 phk Exp $
  *
  */
 
@@ -44,7 +44,7 @@
 #include <netatm/uni/sscop_var.h>
 
 #ifndef lint
-__RCSID("@(#) $Id: sscop_subr.c,v 1.2 1998/09/17 09:35:01 phk Exp $");
+__RCSID("@(#) $Id: sscop_subr.c,v 1.3 1998/10/31 20:07:00 phk Exp $");
 #endif
 
 
@@ -297,7 +297,7 @@ sscop_rexmit_insert(sop, php)
 	 * Otherwise, loop thru the queue until we find the
 	 * proper insertion point for the PDU
 	 */
-	while (next = curr->ph_rexmit_lk) {
+	while ((next = curr->ph_rexmit_lk) != NULL) {
 		if (SEQ_LT(seq, next->ph_ns, sop->so_ack)) {
 			php->ph_rexmit_lk = next;
 			curr->ph_rexmit_lk = php;
@@ -396,7 +396,7 @@ sscop_xmit_drain(sop)
 	/*
 	 * Free transmission queue buffers
 	 */
-	while (m = sop->so_xmit_hd) {
+	while ((m = sop->so_xmit_hd) != NULL) {
 		sop->so_xmit_hd = KB_QNEXT(m);
 		KB_FREEALL(m);
 	}
@@ -415,7 +415,7 @@ sscop_xmit_drain(sop)
 	/*
 	 * Free pending ack queue buffers
 	 */
-	while (php = sop->so_pack_hd) {
+	while ((php = sop->so_pack_hd) != NULL) {
 		sop->so_pack_hd = php->ph_pack_lk;
 		KB_FREEALL(php->ph_buf);
 	}
@@ -475,7 +475,7 @@ sscop_recv_insert(sop, php)
 	 * to make sure there isn't a PDU already on the queue
 	 * with a matching sequence number.
 	 */
-	while (next = curr->ph_recv_lk) {
+	while ((next = curr->ph_recv_lk) != NULL) {
 		if (SEQ_LT(seq, next->ph_ns, sop->so_rcvnext)) {
 			if (seq == curr->ph_ns)
 				return (1);
@@ -518,7 +518,7 @@ sscop_rcvr_drain(sop)
 	/*
 	 * Free receive queue buffers
 	 */
-	while (php = sop->so_recv_hd) {
+	while ((php = sop->so_recv_hd) != NULL) {
 		sop->so_recv_hd = php->ph_recv_lk;
 		KB_FREEALL(php->ph_buf);
 	}
@@ -557,7 +557,7 @@ sscop_service_xmit(sop)
 	 * (Congestion control will be added later)
 	 */
 	while (1) {
-		if (php = sop->so_rexmit_hd) {
+		if ((php = sop->so_rexmit_hd) != NULL) {
 
 			/*
 			 * Send SD PDU from retransmit queue
diff --git a/sys/netatm/uni/sscop_timer.c b/sys/netatm/uni/sscop_timer.c
index 087ae79e96cd..e6b1b906d7f2 100644
--- a/sys/netatm/uni/sscop_timer.c
+++ b/sys/netatm/uni/sscop_timer.c
@@ -23,7 +23,7 @@
  * Copies of this Software may be made, however, the above copyright
  * notice must be reproduced on all copies.
  *
- *	@(#) $Id: sscop_timer.c,v 1.2 1998/09/17 09:35:01 phk Exp $
+ *	@(#) $Id: sscop_timer.c,v 1.3 1998/10/31 20:07:00 phk Exp $
  *
  */
 
@@ -44,7 +44,7 @@
 #include <netatm/uni/sscop_var.h>
 
 #ifndef lint
-__RCSID("@(#) $Id: sscop_timer.c,v 1.2 1998/09/17 09:35:01 phk Exp $");
+__RCSID("@(#) $Id: sscop_timer.c,v 1.3 1998/10/31 20:07:00 phk Exp $");
 #endif
 
 
@@ -101,7 +101,7 @@ sscop_timeout(tip)
 	 * If an expired timer is found, notify that entry.
 	 */
 	sprev = &sscop_head;
-	while (sop = *sprev) {
+	while ((sop = *sprev) != NULL) {
 
 		/*
 		 * Check out each timer
diff --git a/sys/netatm/uni/uniarp.c b/sys/netatm/uni/uniarp.c
index 2d6006f802b3..48140996665f 100644
--- a/sys/netatm/uni/uniarp.c
+++ b/sys/netatm/uni/uniarp.c
@@ -23,7 +23,7 @@
  * Copies of this Software may be made, however, the above copyright
  * notice must be reproduced on all copies.
  *
- *	@(#) $Id: uniarp.c,v 1.4 1998/12/04 22:54:53 archie Exp $
+ *	@(#) $Id: uniarp.c,v 1.5 1999/01/19 23:16:11 mks Exp $
  *
  */
 
@@ -43,7 +43,7 @@
 #include <netatm/uni/uniip_var.h>
 
 #ifndef lint
-__RCSID("@(#) $Id: uniarp.c,v 1.4 1998/12/04 22:54:53 archie Exp $");
+__RCSID("@(#) $Id: uniarp.c,v 1.5 1999/01/19 23:16:11 mks Exp $");
 #endif
 
 
@@ -425,7 +425,7 @@ uniarp_server_mode(uip)
 		 * We're becoming the server, so kill the pending connection
 		 */
 		UNIIP_ARP_CANCEL(uip);
-		if (ivp = uip->uip_arpsvrvcc) {
+		if ((ivp = uip->uip_arpsvrvcc) != NULL) {
 			ivp->iv_flags &= ~IVF_NOIDLE;
 			uip->uip_arpsvrvcc = NULL;
 			(*ivp->iv_ipnif->inf_arpnotify)(ivp, MAP_FAILED);
@@ -556,7 +556,7 @@ uniarp_client_mode(uip, aap)
 		 * We're changing servers, so kill the pending connection
 		 */
 		UNIIP_ARP_CANCEL(uip);
-		if (ivp = uip->uip_arpsvrvcc) {
+		if ((ivp = uip->uip_arpsvrvcc) != NULL) {
 			ivp->iv_flags &= ~IVF_NOIDLE;
 			uip->uip_arpsvrvcc = NULL;
 			(*ivp->iv_ipnif->inf_arpnotify)(ivp, MAP_FAILED);
@@ -1040,8 +1040,8 @@ uniarp_ioctl(code, data, arg1)
 				/*
 				 * Copy the response into the user's buffer
 				 */
-				if (err = copyout((caddr_t)&aar, buf_addr, 
-							sizeof(aar)))
+				if ((err = copyout((caddr_t)&aar, buf_addr, 
+							sizeof(aar))) != 0)
 					break;
 				buf_addr += sizeof(aar);
 				buf_len -= sizeof(aar);
@@ -1090,8 +1090,8 @@ uniarp_ioctl(code, data, arg1)
 			/*
 			 * Copy the response into the user's buffer
 			 */
-			if (err = copyout((caddr_t)&aar, buf_addr, 
-						sizeof(aar)))
+			if ((err = copyout((caddr_t)&aar, buf_addr, 
+						sizeof(aar))) != 0)
 				break;
 			buf_addr += sizeof(aar);
 			buf_len -= sizeof(aar);
@@ -1176,7 +1176,7 @@ uniarp_ioctl(code, data, arg1)
 			/*
 			 * Copy the response into the user's buffer
 			 */
-			if (err = copyout((caddr_t)&asr, buf_addr, sizeof(asr)))
+			if ((err = copyout((caddr_t)&asr, buf_addr, sizeof(asr))) != 0)
 				break;
 			buf_addr += sizeof(asr);
 			buf_len -= sizeof(asr);
@@ -1191,7 +1191,7 @@ uniarp_ioctl(code, data, arg1)
 					err = ENOSPC;
 					break;
 				}
-				if (err = copyout(uip->uip_prefix, buf_addr, i))
+				if ((err = copyout(uip->uip_prefix, buf_addr, i)) != 0)
 					break;
 				buf_addr += i;
 				buf_len -= i;
diff --git a/sys/netatm/uni/uniarp_input.c b/sys/netatm/uni/uniarp_input.c
index b621ac35c541..80920292226f 100644
--- a/sys/netatm/uni/uniarp_input.c
+++ b/sys/netatm/uni/uniarp_input.c
@@ -23,7 +23,7 @@
  * Copies of this Software may be made, however, the above copyright
  * notice must be reproduced on all copies.
  *
- *	@(#) $Id: uniarp_input.c,v 1.2 1998/10/31 20:07:00 phk Exp $
+ *	@(#) $Id: uniarp_input.c,v 1.3 1998/12/04 22:54:53 archie Exp $
  *
  */
 
@@ -43,7 +43,7 @@
 #include <netatm/uni/uniip_var.h>
 
 #ifndef lint
-__RCSID("@(#) $Id: uniarp_input.c,v 1.2 1998/10/31 20:07:00 phk Exp $");
+__RCSID("@(#) $Id: uniarp_input.c,v 1.3 1998/12/04 22:54:53 archie Exp $");
 #endif
 
 
@@ -122,7 +122,7 @@ uniarp_cpcs_data(tok, m)
 	/*
 	 * Verify/gather source address fields
 	 */
-	if (len = (ahp->ah_shtl & ARP_TL_LMASK)) {
+	if ((len = (ahp->ah_shtl & ARP_TL_LMASK)) != 0) {
 		if (ahp->ah_shtl & ARP_TL_E164) {
 			if (len > sizeof(struct atm_addr_e164))
 				goto bad;
@@ -141,7 +141,7 @@ uniarp_cpcs_data(tok, m)
 		satm.address_length = 0;
 	}
 
-	if (len = (ahp->ah_sstl & ARP_TL_LMASK)) {
+	if ((len = (ahp->ah_sstl & ARP_TL_LMASK)) != 0) {
 		if (((ahp->ah_sstl & ARP_TL_TMASK) != ARP_TL_NSAPA) ||
 		    (len != sizeof(struct atm_addr_nsap)))
 			goto bad;
@@ -155,7 +155,7 @@ uniarp_cpcs_data(tok, m)
 		satmsub.address_length = 0;
 	}
 
-	if (len = ahp->ah_spln) {
+	if ((len = ahp->ah_spln) != 0) {
 		if (len != sizeof(struct in_addr))
 			goto bad;
 		if (KB_COPYDATA(m, plen, len, (caddr_t)&sip))
@@ -168,7 +168,7 @@ uniarp_cpcs_data(tok, m)
 	/*
 	 * Verify/gather target address fields
 	 */
-	if (len = (ahp->ah_thtl & ARP_TL_LMASK)) {
+	if ((len = (ahp->ah_thtl & ARP_TL_LMASK)) != 0) {
 		if (ahp->ah_thtl & ARP_TL_E164) {
 			if (len > sizeof(struct atm_addr_e164))
 				goto bad;
@@ -187,7 +187,7 @@ uniarp_cpcs_data(tok, m)
 		tatm.address_length = 0;
 	}
 
-	if (len = (ahp->ah_tstl & ARP_TL_LMASK)) {
+	if ((len = (ahp->ah_tstl & ARP_TL_LMASK)) != 0) {
 		if (((ahp->ah_tstl & ARP_TL_TMASK) != ARP_TL_NSAPA) ||
 		    (len != sizeof(struct atm_addr_nsap)))
 			goto bad;
@@ -201,7 +201,7 @@ uniarp_cpcs_data(tok, m)
 		tatmsub.address_length = 0;
 	}
 
-	if (len = ahp->ah_tpln) {
+	if ((len = ahp->ah_tpln) != 0) {
 		if (len != sizeof(struct in_addr))
 			goto bad;
 		if (KB_COPYDATA(m, plen, len, (caddr_t)&tip))
diff --git a/sys/netatm/uni/uniip.c b/sys/netatm/uni/uniip.c
index dd7bc3e3f807..88e79a020487 100644
--- a/sys/netatm/uni/uniip.c
+++ b/sys/netatm/uni/uniip.c
@@ -23,7 +23,7 @@
  * Copies of this Software may be made, however, the above copyright
  * notice must be reproduced on all copies.
  *
- *	@(#) $Id: uniip.c,v 1.1 1998/09/15 08:23:10 phk Exp $
+ *	@(#) $Id: uniip.c,v 1.2 1998/10/31 20:07:00 phk Exp $
  *
  */
 
@@ -42,7 +42,7 @@
 #include <netatm/uni/uniip_var.h>
 
 #ifndef lint
-__RCSID("@(#) $Id: uniip.c,v 1.1 1998/09/15 08:23:10 phk Exp $");
+__RCSID("@(#) $Id: uniip.c,v 1.2 1998/10/31 20:07:00 phk Exp $");
 #endif
 
 
@@ -68,7 +68,7 @@ struct ip_serv	uniip_ipserv = {
 	uniarp_svcactive,
 	uniarp_vcclose,
 	NULL,
-	{ATM_AAL5, ATM_ENC_LLC},
+	{ { ATM_AAL5, ATM_ENC_LLC} },
 };
 
 
diff --git a/sys/netatm/uni/unisig_if.c b/sys/netatm/uni/unisig_if.c
index 0401154fa803..33bfb488dc83 100644
--- a/sys/netatm/uni/unisig_if.c
+++ b/sys/netatm/uni/unisig_if.c
@@ -23,7 +23,7 @@
  * Copies of this Software may be made, however, the above copyright
  * notice must be reproduced on all copies.
  *
- *	@(#) $Id: unisig_if.c,v 1.4 1998/12/04 22:54:53 archie Exp $
+ *	@(#) $Id: unisig_if.c,v 1.5 1998/12/11 21:47:46 phk Exp $
  *
  */
 
@@ -47,7 +47,7 @@
 #include <netatm/uni/unisig_msg.h>
 
 #ifndef lint
-__RCSID("@(#) $Id: unisig_if.c,v 1.4 1998/12/04 22:54:53 archie Exp $");
+__RCSID("@(#) $Id: unisig_if.c,v 1.5 1998/12/11 21:47:46 phk Exp $");
 #endif
 
 
@@ -936,8 +936,8 @@ unisig_ioctl(code, data, arg1)
 			/*
 			 * Copy the response into the user's buffer
 			 */
-			if (err = copyout((caddr_t)&rsp, buf_addr,
-					sizeof(rsp)))
+			if ((err = copyout((caddr_t)&rsp, buf_addr,
+					sizeof(rsp))) != 0)
 				break;
 			buf_addr += sizeof(rsp);
 			buf_len -= sizeof(rsp);
diff --git a/sys/netatm/uni/unisig_mbuf.c b/sys/netatm/uni/unisig_mbuf.c
index b96a636a4be8..c7f00912c9e3 100644
--- a/sys/netatm/uni/unisig_mbuf.c
+++ b/sys/netatm/uni/unisig_mbuf.c
@@ -23,7 +23,7 @@
  * Copies of this Software may be made, however, the above copyright
  * notice must be reproduced on all copies.
  *
- *	@(#) $Id: unisig_mbuf.c,v 1.2 1998/09/17 09:35:02 phk Exp $
+ *	@(#) $Id: unisig_mbuf.c,v 1.3 1998/10/31 20:07:01 phk Exp $
  *
  */
 
@@ -42,7 +42,7 @@
 #include <netatm/uni/unisig_msg.h>
 
 #ifndef lint
-__RCSID("@(#) $Id: unisig_mbuf.c,v 1.2 1998/09/17 09:35:02 phk Exp $");
+__RCSID("@(#) $Id: unisig_mbuf.c,v 1.3 1998/10/31 20:07:01 phk Exp $");
 #endif
 
 
@@ -229,9 +229,9 @@ usf_short(usf, s)
 	if (usf->usf_op == USF_ENCODE)
 		tval.value = htons(*s);
 
-	if (rc = usf_byte(usf, &tval.b[0]))
+	if ((rc = usf_byte(usf, &tval.b[0])) != 0)
 		return(rc);
-	if (rc = usf_byte(usf, &tval.b[1]))
+	if ((rc = usf_byte(usf, &tval.b[1])) != 0)
 		return(rc);
 
 	if (usf->usf_op == USF_DECODE)
diff --git a/sys/netatm/uni/unisig_msg.h b/sys/netatm/uni/unisig_msg.h
index 4be014488637..1305bc77e0de 100644
--- a/sys/netatm/uni/unisig_msg.h
+++ b/sys/netatm/uni/unisig_msg.h
@@ -23,7 +23,7 @@
  * Copies of this Software may be made, however, the above copyright
  * notice must be reproduced on all copies.
  *
- *	@(#) $Id: unisig_msg.h,v 1.8 1998/08/26 23:29:23 mks Exp $
+ *	@(#) $Id: unisig_msg.h,v 1.1 1998/09/15 08:23:11 phk Exp $
  *
  */
 
@@ -114,8 +114,8 @@ struct unisig_msg {
 
 #define	EXTRACT_CREF(x)						\
 	((x) & UNI_MSG_CALL_REF_RMT ? (x) & UNI_MSG_CALL_REF_MASK : (x) | UNI_MSG_CALL_REF_RMT)
-#define GLOBAL_CREF(x)	((x) & UNI_MSG_CALL_REF_MASK == UNI_MSG_CALL_REF_GLOBAL)
-#define DUMMY_CREF(x)	((x) & UNI_MSG_CALL_REF_MASK == UNI_MSG_CALL_REF_DUMMY)
+#define GLOBAL_CREF(x)	(((x) & UNI_MSG_CALL_REF_MASK) == UNI_MSG_CALL_REF_GLOBAL)
+#define DUMMY_CREF(x)	(((x) & UNI_MSG_CALL_REF_MASK) == UNI_MSG_CALL_REF_DUMMY)
 
 #define	UNI_MSG_TYPE_FLAG_MASK	1
 #define	UNI_MSG_TYPE_FLAG_SHIFT	4
diff --git a/sys/netinet/in_pcb.c b/sys/netinet/in_pcb.c
index d604ad06a88b..cdd5a604a12f 100644
--- a/sys/netinet/in_pcb.c
+++ b/sys/netinet/in_pcb.c
@@ -31,7 +31,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)in_pcb.c	8.4 (Berkeley) 5/24/95
- *	$Id: in_pcb.c,v 1.45 1998/09/17 18:42:16 fenner Exp $
+ *	$Id: in_pcb.c,v 1.46 1998/12/07 21:58:37 archie Exp $
  */
 
 #include <sys/param.h>
@@ -439,7 +439,7 @@ in_pcbconnect(inp, nam, p)
 	/*
 	 *   Call inner routine, to assign local interface address.
 	 */
-	if (error = in_pcbladdr(inp, nam, &ifaddr))
+	if ((error = in_pcbladdr(inp, nam, &ifaddr)) != 0)
 		return(error);
 
 	if (in_pcblookup_hash(inp->inp_pcbinfo, sin->sin_addr, sin->sin_port,
diff --git a/sys/netinet/ip_dummynet.c b/sys/netinet/ip_dummynet.c
index e495b60450b0..76f4e283c17a 100644
--- a/sys/netinet/ip_dummynet.c
+++ b/sys/netinet/ip_dummynet.c
@@ -10,7 +10,7 @@
  *
  * This software is provided ``AS IS'' without any warranties of any kind.
  *
- *	$Id: ip_dummynet.c,v 1.6 1999/01/12 16:40:57 eivind Exp $
+ *	$Id: ip_dummynet.c,v 1.7 1999/01/12 16:43:52 eivind Exp $
  */
 
 /*
@@ -137,7 +137,7 @@ dn_move(struct dn_pipe *pipe, int immediate)
     /* this ought to go in dn_dequeue() */
     if (!immediate && pipe->ticks_from_last_insert < pipe->delay)
 	pipe->ticks_from_last_insert++;
-    if ( pkt = pipe->r.head ) {
+    if ((pkt = pipe->r.head) != NULL) {
 	/*
 	 * Move at most numbytes bytes from src and move to dst.
 	 * delay is set to ticks_from_last_insert, which
diff --git a/sys/netinet/ip_input.c b/sys/netinet/ip_input.c
index 0d775ea931bc..b75a51cebc4c 100644
--- a/sys/netinet/ip_input.c
+++ b/sys/netinet/ip_input.c
@@ -31,7 +31,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)ip_input.c	8.2 (Berkeley) 1/4/94
- * $Id: ip_input.c,v 1.111 1999/01/12 12:25:00 eivind Exp $
+ * $Id: ip_input.c,v 1.112 1999/01/22 16:50:45 wollman Exp $
  *	$ANA: ip_input.c,v 1.5 1996/09/18 14:34:59 wollman Exp $
  */
 
@@ -129,7 +129,7 @@ SYSCTL_STRUCT(_net_inet_ip, IPCTL_STATS, stats, CTLFLAG_RD,
 #define IPREASS_NHASH           (1 << IPREASS_NHASH_LOG2)
 #define IPREASS_HMASK           (IPREASS_NHASH - 1)
 #define IPREASS_HASH(x,y) \
-	((((x) & 0xF | ((((x) >> 8) & 0xF) << 4)) ^ (y)) & IPREASS_HMASK)
+	(((((x) & 0xF) | ((((x) >> 8) & 0xF) << 4)) ^ (y)) & IPREASS_HMASK)
 
 static struct ipq ipq[IPREASS_NHASH];
 static int    nipq = 0;         /* total # of reass queues */
diff --git a/sys/netinet/ip_proxy.c b/sys/netinet/ip_proxy.c
index fe18abb60d97..31764298d50b 100644
--- a/sys/netinet/ip_proxy.c
+++ b/sys/netinet/ip_proxy.c
@@ -6,7 +6,7 @@
  * to the original author and the contributors.
  */
 #if !defined(lint)
-static const char rcsid[] = "@(#)$Id: ip_proxy.c,v 1.2 1998/03/21 11:34:23 peter Exp $";
+static const char rcsid[] = "@(#)$Id: ip_proxy.c,v 1.3 1998/06/20 18:37:50 peter Exp $";
 #endif
 
 #if defined(__FreeBSD__) && defined(KERNEL) && !defined(_KERNEL)
@@ -127,13 +127,13 @@ u_short sport, dport;
 {
 	if (aps->aps_dst.s_addr == dst.s_addr) {
 		if ((aps->aps_src.s_addr == src.s_addr) &&
-		    (!tcp || (sport == aps->aps_sport) &&
-		     (dport == aps->aps_dport)))
+		    (!tcp || ((sport == aps->aps_sport) &&
+		     (dport == aps->aps_dport))))
 			return 1;
 	} else if (aps->aps_dst.s_addr == src.s_addr) {
 		if ((aps->aps_src.s_addr == dst.s_addr) &&
-		    (!tcp || (sport == aps->aps_dport) &&
-		     (dport == aps->aps_sport)))
+		    (!tcp || ((sport == aps->aps_dport) &&
+		     (dport == aps->aps_sport))))
 			return 1;
 	}
 	return 0;
diff --git a/sys/netinet/ip_state.c b/sys/netinet/ip_state.c
index 5545b3daea0f..b6a805496135 100644
--- a/sys/netinet/ip_state.c
+++ b/sys/netinet/ip_state.c
@@ -7,7 +7,7 @@
  */
 #if !defined(lint)
 static const char sccsid[] = "@(#)ip_state.c	1.8 6/5/96 (C) 1993-1995 Darren Reed";
-static const char rcsid[] = "@(#)$Id: ip_state.c,v 1.3 1998/06/20 18:37:51 peter Exp $";
+static const char rcsid[] = "@(#)$Id: ip_state.c,v 1.4 1998/11/26 18:54:52 eivind Exp $";
 #endif
 
 #include "opt_ipfilter.h"
@@ -478,8 +478,8 @@ u_short sp, dp;
 		     (!out && is->is_ifpin == ifp)) &&
 		    (is->is_dst.s_addr == dst.s_addr) &&
 		    (is->is_src.s_addr == src.s_addr) &&
-		    (!tcp || (sp == is->is_sport) &&
-		     (dp == is->is_dport))) {
+		    (!tcp || ((sp == is->is_sport) &&
+		     (dp == is->is_dport)))) {
 			ret = 1;
 		}
 	} else {
@@ -487,8 +487,8 @@ u_short sp, dp;
 		     (!out && is->is_ifpout == ifp)) &&
 		    (is->is_dst.s_addr == src.s_addr) &&
 		    (is->is_src.s_addr == dst.s_addr) &&
-		    (!tcp || (sp == is->is_dport) &&
-		     (dp == is->is_sport))) {
+		    (!tcp || ((sp == is->is_dport) &&
+		     (dp == is->is_sport)))) {
 			ret = 1;
 		}
 	}
diff --git a/sys/netinet/tcp_input.c b/sys/netinet/tcp_input.c
index 97d1983b0078..41454a4939ca 100644
--- a/sys/netinet/tcp_input.c
+++ b/sys/netinet/tcp_input.c
@@ -31,7 +31,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)tcp_input.c	8.12 (Berkeley) 5/24/95
- *	$Id: tcp_input.c,v 1.81 1998/09/11 16:04:03 wollman Exp $
+ *	$Id: tcp_input.c,v 1.82 1998/12/03 20:23:20 dillon Exp $
  */
 
 #include "opt_ipfw.h"		/* for ipfw_fwd		*/
@@ -530,7 +530,7 @@ tcp_input(m, iphlen)
 	     *   if the segment has a CC option equal to CCrecv
 	     */
 	    ((tp->t_flags & (TF_REQ_CC|TF_RCVD_CC)) != (TF_REQ_CC|TF_RCVD_CC) ||
-	     (to.to_flag & TOF_CC) != 0 && to.to_cc == tp->cc_recv) &&
+	     ((to.to_flag & TOF_CC) != 0 && to.to_cc == tp->cc_recv)) &&
 	    ti->ti_seq == tp->rcv_nxt &&
 	    tiwin && tiwin == tp->snd_wnd &&
 	    tp->snd_nxt == tp->snd_max) {
diff --git a/sys/netinet/tcp_reass.c b/sys/netinet/tcp_reass.c
index 97d1983b0078..41454a4939ca 100644
--- a/sys/netinet/tcp_reass.c
+++ b/sys/netinet/tcp_reass.c
@@ -31,7 +31,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)tcp_input.c	8.12 (Berkeley) 5/24/95
- *	$Id: tcp_input.c,v 1.81 1998/09/11 16:04:03 wollman Exp $
+ *	$Id: tcp_input.c,v 1.82 1998/12/03 20:23:20 dillon Exp $
  */
 
 #include "opt_ipfw.h"		/* for ipfw_fwd		*/
@@ -530,7 +530,7 @@ tcp_input(m, iphlen)
 	     *   if the segment has a CC option equal to CCrecv
 	     */
 	    ((tp->t_flags & (TF_REQ_CC|TF_RCVD_CC)) != (TF_REQ_CC|TF_RCVD_CC) ||
-	     (to.to_flag & TOF_CC) != 0 && to.to_cc == tp->cc_recv) &&
+	     ((to.to_flag & TOF_CC) != 0 && to.to_cc == tp->cc_recv)) &&
 	    ti->ti_seq == tp->rcv_nxt &&
 	    tiwin && tiwin == tp->snd_wnd &&
 	    tp->snd_nxt == tp->snd_max) {
diff --git a/sys/netipx/spx_usrreq.c b/sys/netipx/spx_usrreq.c
index 13f336082c3b..2796068138cd 100644
--- a/sys/netipx/spx_usrreq.c
+++ b/sys/netipx/spx_usrreq.c
@@ -33,7 +33,7 @@
  *
  *	@(#)spx_usrreq.h
  *
- * $Id: spx_usrreq.c,v 1.21 1998/12/07 21:58:42 archie Exp $
+ * $Id: spx_usrreq.c,v 1.22 1999/01/12 12:37:18 eivind Exp $
  */
 
 #include <sys/param.h>
@@ -463,9 +463,9 @@ register struct spx *si;
 update_window:
 	if (SSEQ_LT(cb->s_snxt, cb->s_rack))
 		cb->s_snxt = cb->s_rack;
-	if (SSEQ_LT(cb->s_swl1, si->si_seq) || cb->s_swl1 == si->si_seq &&
-	    (SSEQ_LT(cb->s_swl2, si->si_ack) ||
-	     cb->s_swl2 == si->si_ack && SSEQ_LT(cb->s_ralo, si->si_alo))) {
+	if (SSEQ_LT(cb->s_swl1, si->si_seq) || (cb->s_swl1 == si->si_seq &&
+	    (SSEQ_LT(cb->s_swl2, si->si_ack)) ||
+	     (cb->s_swl2 == si->si_ack && SSEQ_LT(cb->s_ralo, si->si_alo)))) {
 		/* keep track of pure window updates */
 		if ((si->si_cc & SPX_SP) && cb->s_swl2 == si->si_ack
 		    && SSEQ_LT(cb->s_ralo, si->si_alo)) {
diff --git a/sys/nfs/nfs_common.c b/sys/nfs/nfs_common.c
index 6c9cfb7a4c0f..5544bf253a56 100644
--- a/sys/nfs/nfs_common.c
+++ b/sys/nfs/nfs_common.c
@@ -34,7 +34,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)nfs_subs.c  8.8 (Berkeley) 5/22/95
- * $Id: nfs_subs.c,v 1.70 1999/01/05 18:49:58 eivind Exp $
+ * $Id: nfs_subs.c,v 1.71 1999/01/21 08:29:07 dillon Exp $
  */
 
 /*
@@ -1254,7 +1254,7 @@ nfs_loadattrcache(vpp, mdp, dposp, vaper)
 
 	md = *mdp;
 	t1 = (mtod(md, caddr_t) + md->m_len) - *dposp;
-	if (error = nfsm_disct(mdp, dposp, NFSX_FATTR(v3), t1, &cp2))
+	if ((error = nfsm_disct(mdp, dposp, NFSX_FATTR(v3), t1, &cp2)) != 0)
 		return (error);
 	fp = (struct nfs_fattr *)cp2;
 	if (v3) {
@@ -2032,7 +2032,7 @@ netaddr_match(family, haddr, nam)
 	return (0);
 }
 
-static nfsuint64 nfs_nullcookie = { 0, 0 };
+static nfsuint64 nfs_nullcookie = { { 0, 0 } };
 /*
  * This function finds the directory cookie that corresponds to the
  * logical byte offset given.
diff --git a/sys/nfs/nfs_subs.c b/sys/nfs/nfs_subs.c
index 6c9cfb7a4c0f..5544bf253a56 100644
--- a/sys/nfs/nfs_subs.c
+++ b/sys/nfs/nfs_subs.c
@@ -34,7 +34,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)nfs_subs.c  8.8 (Berkeley) 5/22/95
- * $Id: nfs_subs.c,v 1.70 1999/01/05 18:49:58 eivind Exp $
+ * $Id: nfs_subs.c,v 1.71 1999/01/21 08:29:07 dillon Exp $
  */
 
 /*
@@ -1254,7 +1254,7 @@ nfs_loadattrcache(vpp, mdp, dposp, vaper)
 
 	md = *mdp;
 	t1 = (mtod(md, caddr_t) + md->m_len) - *dposp;
-	if (error = nfsm_disct(mdp, dposp, NFSX_FATTR(v3), t1, &cp2))
+	if ((error = nfsm_disct(mdp, dposp, NFSX_FATTR(v3), t1, &cp2)) != 0)
 		return (error);
 	fp = (struct nfs_fattr *)cp2;
 	if (v3) {
@@ -2032,7 +2032,7 @@ netaddr_match(family, haddr, nam)
 	return (0);
 }
 
-static nfsuint64 nfs_nullcookie = { 0, 0 };
+static nfsuint64 nfs_nullcookie = { { 0, 0 } };
 /*
  * This function finds the directory cookie that corresponds to the
  * logical byte offset given.
diff --git a/sys/nfs/nfs_syscalls.c b/sys/nfs/nfs_syscalls.c
index 8b85b9b22bd9..5050ec8f1ed0 100644
--- a/sys/nfs/nfs_syscalls.c
+++ b/sys/nfs/nfs_syscalls.c
@@ -34,7 +34,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)nfs_syscalls.c	8.5 (Berkeley) 3/30/95
- * $Id: nfs_syscalls.c,v 1.43 1998/09/01 02:31:52 luoqi Exp $
+ * $Id: nfs_syscalls.c,v 1.44 1998/12/07 21:58:44 archie Exp $
  */
 
 #include <sys/param.h>
@@ -791,7 +791,7 @@ nfsrv_zapsock(slp)
 		if (slp->ns_nam)
 			FREE(slp->ns_nam, M_SONAME);
 		m_freem(slp->ns_raw);
-		while (rec = STAILQ_FIRST(&slp->ns_rec)) {
+		while ((rec = STAILQ_FIRST(&slp->ns_rec)) != NULL) {
 			STAILQ_REMOVE_HEAD(&slp->ns_rec, nr_link);
 			if (rec->nr_address)
 				FREE(rec->nr_address, M_SONAME);
diff --git a/sys/nfsclient/nfs_nfsiod.c b/sys/nfsclient/nfs_nfsiod.c
index 8b85b9b22bd9..5050ec8f1ed0 100644
--- a/sys/nfsclient/nfs_nfsiod.c
+++ b/sys/nfsclient/nfs_nfsiod.c
@@ -34,7 +34,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)nfs_syscalls.c	8.5 (Berkeley) 3/30/95
- * $Id: nfs_syscalls.c,v 1.43 1998/09/01 02:31:52 luoqi Exp $
+ * $Id: nfs_syscalls.c,v 1.44 1998/12/07 21:58:44 archie Exp $
  */
 
 #include <sys/param.h>
@@ -791,7 +791,7 @@ nfsrv_zapsock(slp)
 		if (slp->ns_nam)
 			FREE(slp->ns_nam, M_SONAME);
 		m_freem(slp->ns_raw);
-		while (rec = STAILQ_FIRST(&slp->ns_rec)) {
+		while ((rec = STAILQ_FIRST(&slp->ns_rec)) != NULL) {
 			STAILQ_REMOVE_HEAD(&slp->ns_rec, nr_link);
 			if (rec->nr_address)
 				FREE(rec->nr_address, M_SONAME);
diff --git a/sys/nfsclient/nfs_subs.c b/sys/nfsclient/nfs_subs.c
index 6c9cfb7a4c0f..5544bf253a56 100644
--- a/sys/nfsclient/nfs_subs.c
+++ b/sys/nfsclient/nfs_subs.c
@@ -34,7 +34,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)nfs_subs.c  8.8 (Berkeley) 5/22/95
- * $Id: nfs_subs.c,v 1.70 1999/01/05 18:49:58 eivind Exp $
+ * $Id: nfs_subs.c,v 1.71 1999/01/21 08:29:07 dillon Exp $
  */
 
 /*
@@ -1254,7 +1254,7 @@ nfs_loadattrcache(vpp, mdp, dposp, vaper)
 
 	md = *mdp;
 	t1 = (mtod(md, caddr_t) + md->m_len) - *dposp;
-	if (error = nfsm_disct(mdp, dposp, NFSX_FATTR(v3), t1, &cp2))
+	if ((error = nfsm_disct(mdp, dposp, NFSX_FATTR(v3), t1, &cp2)) != 0)
 		return (error);
 	fp = (struct nfs_fattr *)cp2;
 	if (v3) {
@@ -2032,7 +2032,7 @@ netaddr_match(family, haddr, nam)
 	return (0);
 }
 
-static nfsuint64 nfs_nullcookie = { 0, 0 };
+static nfsuint64 nfs_nullcookie = { { 0, 0 } };
 /*
  * This function finds the directory cookie that corresponds to the
  * logical byte offset given.
diff --git a/sys/nfsserver/nfs_srvsubs.c b/sys/nfsserver/nfs_srvsubs.c
index 6c9cfb7a4c0f..5544bf253a56 100644
--- a/sys/nfsserver/nfs_srvsubs.c
+++ b/sys/nfsserver/nfs_srvsubs.c
@@ -34,7 +34,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)nfs_subs.c  8.8 (Berkeley) 5/22/95
- * $Id: nfs_subs.c,v 1.70 1999/01/05 18:49:58 eivind Exp $
+ * $Id: nfs_subs.c,v 1.71 1999/01/21 08:29:07 dillon Exp $
  */
 
 /*
@@ -1254,7 +1254,7 @@ nfs_loadattrcache(vpp, mdp, dposp, vaper)
 
 	md = *mdp;
 	t1 = (mtod(md, caddr_t) + md->m_len) - *dposp;
-	if (error = nfsm_disct(mdp, dposp, NFSX_FATTR(v3), t1, &cp2))
+	if ((error = nfsm_disct(mdp, dposp, NFSX_FATTR(v3), t1, &cp2)) != 0)
 		return (error);
 	fp = (struct nfs_fattr *)cp2;
 	if (v3) {
@@ -2032,7 +2032,7 @@ netaddr_match(family, haddr, nam)
 	return (0);
 }
 
-static nfsuint64 nfs_nullcookie = { 0, 0 };
+static nfsuint64 nfs_nullcookie = { { 0, 0 } };
 /*
  * This function finds the directory cookie that corresponds to the
  * logical byte offset given.
diff --git a/sys/nfsserver/nfs_syscalls.c b/sys/nfsserver/nfs_syscalls.c
index 8b85b9b22bd9..5050ec8f1ed0 100644
--- a/sys/nfsserver/nfs_syscalls.c
+++ b/sys/nfsserver/nfs_syscalls.c
@@ -34,7 +34,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)nfs_syscalls.c	8.5 (Berkeley) 3/30/95
- * $Id: nfs_syscalls.c,v 1.43 1998/09/01 02:31:52 luoqi Exp $
+ * $Id: nfs_syscalls.c,v 1.44 1998/12/07 21:58:44 archie Exp $
  */
 
 #include <sys/param.h>
@@ -791,7 +791,7 @@ nfsrv_zapsock(slp)
 		if (slp->ns_nam)
 			FREE(slp->ns_nam, M_SONAME);
 		m_freem(slp->ns_raw);
-		while (rec = STAILQ_FIRST(&slp->ns_rec)) {
+		while ((rec = STAILQ_FIRST(&slp->ns_rec)) != NULL) {
 			STAILQ_REMOVE_HEAD(&slp->ns_rec, nr_link);
 			if (rec->nr_address)
 				FREE(rec->nr_address, M_SONAME);