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Make nfs_lookup return a NULLVP on error so that DIAGNOSTIC kernels don't

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panic.
This commit is contained in:
Doug Rabson 1997-06-25 08:32:33 +00:00
parent 38ec47c346
commit 9069581b0e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=26928
2 changed files with 16 additions and 8 deletions
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12
sys/nfs/nfs_vnops.c
View File

@ -34,7 +34,7 @@
* SUCH DAMAGE.
*
* @(#)nfs_vnops.c 8.16 (Berkeley) 5/27/95
* $Id: nfs_vnops.c,v 1.53 1997/06/03 13:56:55 dfr Exp $
* $Id: nfs_vnops.c,v 1.54 1997/06/16 00:23:40 dyson Exp $
*/
@ -876,8 +876,10 @@ nfs_lookup(ap)
struct vattr vattr;
int vpid;
if (error = VOP_ACCESS(dvp, VEXEC, cnp->cn_cred, p))
if (error = VOP_ACCESS(dvp, VEXEC, cnp->cn_cred, p)) {
*vpp = NULLVP;
return (error);
}
newvp = *vpp;
vpid = newvp->v_id;
@ -915,9 +917,9 @@ nfs_lookup(ap)
VOP_UNLOCK(dvp, 0, p);
}
error = vn_lock(dvp, LK_EXCLUSIVE, p);
*vpp = NULLVP;
if (error)
return (error);
*vpp = NULLVP;
}
error = 0;
newvp = NULLVP;
@ -1002,8 +1004,10 @@ nfs_lookup(ap)
*vpp = newvp;
nfsm_reqdone;
if (error) {
if (newvp != NULLVP)
if (newvp != NULLVP) {
vrele(newvp);
*vpp = NULLVP;
}
if ((cnp->cn_nameiop == CREATE || cnp->cn_nameiop == RENAME) &&
(flags & ISLASTCN) && error == ENOENT) {
if (!lockparent)

12
sys/nfsclient/nfs_vnops.c
View File

@ -34,7 +34,7 @@
* SUCH DAMAGE.
*
* @(#)nfs_vnops.c 8.16 (Berkeley) 5/27/95
* $Id: nfs_vnops.c,v 1.53 1997/06/03 13:56:55 dfr Exp $
* $Id: nfs_vnops.c,v 1.54 1997/06/16 00:23:40 dyson Exp $
*/
@ -876,8 +876,10 @@ nfs_lookup(ap)
struct vattr vattr;
int vpid;
if (error = VOP_ACCESS(dvp, VEXEC, cnp->cn_cred, p))
if (error = VOP_ACCESS(dvp, VEXEC, cnp->cn_cred, p)) {
*vpp = NULLVP;
return (error);
}
newvp = *vpp;
vpid = newvp->v_id;
@ -915,9 +917,9 @@ nfs_lookup(ap)
VOP_UNLOCK(dvp, 0, p);
}
error = vn_lock(dvp, LK_EXCLUSIVE, p);
*vpp = NULLVP;
if (error)
return (error);
*vpp = NULLVP;
}
error = 0;
newvp = NULLVP;
@ -1002,8 +1004,10 @@ nfs_lookup(ap)
*vpp = newvp;
nfsm_reqdone;
if (error) {
if (newvp != NULLVP)
if (newvp != NULLVP) {
vrele(newvp);
*vpp = NULLVP;
}
if ((cnp->cn_nameiop == CREATE || cnp->cn_nameiop == RENAME) &&
(flags & ISLASTCN) && error == ENOENT) {
if (!lockparent)