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Back out proc locking to protect p_ucred for obtaining additional

Browse Source 
references along with the actual obtaining of additional references.
This commit is contained in:
John Baldwin 2001-01-27 00:01:31 +00:00
parent f0ae4fa2db
commit ba88dfc733
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=71699
24 changed files with 90 additions and 448 deletions
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16
sys/coda/coda_vfsops.c
View File

@ -292,7 +292,6 @@ coda_root(vfsp, vpp)
int error;
struct proc *p = curproc; /* XXX - bnoble */
ViceFid VFid;
struct ucred* uc;
ENTRY;
MARK_ENTRY(CODA_ROOT_STATS);
@ -316,12 +315,7 @@ coda_root(vfsp, vpp)
}
}
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
error = venus_root(vftomi(vfsp), uc, p, &VFid);
crfree(uc);
error = venus_root(vftomi(vfsp), p->p_ucred, p, &VFid);
if (!error) {
/*
@ -447,7 +441,6 @@ coda_fhtovp(vfsp, fhp, nam, vpp, exflagsp, creadanonp)
int error;
struct proc *p = curproc; /* XXX -mach */
ViceFid VFid;
struct ucred *uc;
int vtype;
ENTRY;
@ -461,12 +454,7 @@ coda_fhtovp(vfsp, fhp, nam, vpp, exflagsp, creadanonp)
return(0);
}
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
error = venus_fhtovp(vftomi(vfsp), &cfid->cfid_fid, uc, p, &VFid, &vtype);
crfree(uc);
error = venus_fhtovp(vftomi(vfsp), &cfid->cfid_fid, p->p_ucred, p, &VFid, &vtype);
if (error) {
CODADEBUG(CODA_VGET, myprintf(("vget error %d\n",error));)

9
sys/compat/linux/linux_file.c
View File

@ -405,7 +405,6 @@ linux_getdents(struct proc *p, struct linux_getdents_args *args)
int buflen, error, eofflag, nbytes, justone;
u_long *cookies = NULL, *cookiep;
int ncookies;
struct ucred *uc;
#ifdef DEBUG
printf("Linux-emul(%d): getdents(%d, *, %d)\n",
@ -423,13 +422,7 @@ linux_getdents(struct proc *p, struct linux_getdents_args *args)
if (vp->v_type != VDIR)
return (EINVAL);
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
error = VOP_GETATTR(vp, &va, uc, p);
crfree(uc);
if (error) {
if ((error = VOP_GETATTR(vp, &va, p->p_ucred, p))) {
return error;
}

22
sys/compat/linux/linux_misc.c
View File

@ -185,7 +185,6 @@ linux_uselib(struct proc *p, struct linux_uselib_args *args)
struct vnode *vp;
struct exec *a_out;
struct vattr attr;
struct ucred *uc;
vm_offset_t vmaddr;
unsigned long file_offset;
vm_offset_t buffer;
@ -237,21 +236,14 @@ linux_uselib(struct proc *p, struct linux_uselib_args *args)
/*
* Executable?
*/
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
error = VOP_GETATTR(vp, &attr, uc, p);
if (error) {
crfree(uc);
error = VOP_GETATTR(vp, &attr, p->p_ucred, p);
if (error)
goto cleanup;
}
if ((vp->v_mount->mnt_flag & MNT_NOEXEC) ||
((attr.va_mode & 0111) == 0) ||
(attr.va_type != VREG)) {
error = ENOEXEC;
crfree(uc);
goto cleanup;
}
@ -260,21 +252,17 @@ linux_uselib(struct proc *p, struct linux_uselib_args *args)
*/
if (attr.va_size == 0) {
error = ENOEXEC;
crfree(uc);
goto cleanup;
}
/*
* Can we access it?
*/
error = VOP_ACCESS(vp, VEXEC, uc, p);
if (error) {
crfree(uc);
error = VOP_ACCESS(vp, VEXEC, p->p_ucred, p);
if (error)
goto cleanup;
}
error = VOP_OPEN(vp, FREAD, uc, p);
crfree(uc);
error = VOP_OPEN(vp, FREAD, p->p_ucred, p);
if (error)
goto cleanup;

13
sys/compat/linux/linux_util.c
View File

@ -62,7 +62,6 @@ linux_emul_find(p, sgp, prefix, path, pbuf, cflag)
struct nameidata ndroot;
struct vattr vat;
struct vattr vatroot;
struct ucred *uc;
int error;
char *ptr, *buf, *cp;
size_t sz, len;
@ -141,18 +140,12 @@ linux_emul_find(p, sgp, prefix, path, pbuf, cflag)
return error;
}
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
if ((error = VOP_GETATTR(nd.ni_vp, &vat, uc, p)) != 0) {
crfree(uc);
if ((error = VOP_GETATTR(nd.ni_vp, &vat, p->p_ucred, p)) != 0) {
goto bad;
}
error = VOP_GETATTR(ndroot.ni_vp, &vatroot, uc, p);
crfree(uc);
if (error != 0) {
if ((error = VOP_GETATTR(ndroot.ni_vp, &vatroot, p->p_ucred, p))
!= 0) {
goto bad;
}

16
sys/compat/pecoff/imgact_pecoff.c
View File

@ -162,7 +162,7 @@ static int
pecoff_coredump(register struct proc * p, register struct vnode * vp,
off_t limit)
{
register struct ucred *cred;
register struct ucred *cred = p->p_ucred;
register struct vmspace *vm = p->p_vmspace;
int error;
#ifdef PECOFF_DEBUG
@ -184,10 +184,6 @@ pecoff_coredump(register struct proc * p, register struct vnode * vp,
ent = &map->header;
printf("%p %p %p\n", ent, ent->prev, ent->next);
#endif
PROC_LOCK(p);
cred = p->p_ucred;
crhold(cred);
PROC_UNLOCK(p);
error = cpu_coredump(p, vp, cred);
if (error == 0)
error = vn_rdwr(UIO_WRITE, vp, vm->vm_daddr,
@ -199,7 +195,6 @@ pecoff_coredump(register struct proc * p, register struct vnode * vp,
round_page(ctob(vm->vm_ssize)),
(off_t) ctob(UPAGES) + ctob(vm->vm_dsize), UIO_USERSPACE,
IO_NODELOCKED | IO_UNIT, cred, (int *) NULL, p);
crfree(cred);
return (error);
}
@ -605,15 +600,10 @@ pecoff_read_from(p, vp, pos, buf, siz)
{
int error;
size_t resid;
struct ucred *uc;
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
error = vn_rdwr(UIO_READ, vp, buf, siz, pos,
UIO_SYSSPACE, IO_NODELOCKED, uc, &resid, p);
crfree(uc);
UIO_SYSSPACE, IO_NODELOCKED, p->p_ucred,
&resid, p);
if (error)
return error;

24
sys/compat/svr4/svr4_fcntl.c
View File

@ -249,7 +249,6 @@ fd_revoke(p, fd)
struct vnode *vp;
struct mount *mp;
struct vattr vattr;
struct ucred *uc;
int error, *retval;
retval = p->p_retval;
@ -266,20 +265,12 @@ fd_revoke(p, fd)
goto out;
}
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
if ((error = VOP_GETATTR(vp, &vattr, uc, p)) != 0) {
crfree(uc);
if ((error = VOP_GETATTR(vp, &vattr, p->p_ucred, p)) != 0)
goto out;
}
if (uc->cr_uid != vattr.va_uid && (error = suser(p)) != 0) {
crfree(uc);
if (p->p_ucred->cr_uid != vattr.va_uid &&
(error = suser(p)) != 0)
goto out;
}
crfree(uc);
if ((error = vn_start_write(vp, &mp, V_WAIT | PCATCH)) != 0)
goto out;
@ -303,7 +294,6 @@ fd_truncate(p, fd, flp)
off_t start, length;
struct vnode *vp;
struct vattr vattr;
struct ucred *uc;
int error, *retval;
struct ftruncate_args ft;
@ -319,13 +309,7 @@ fd_truncate(p, fd, flp)
if (fp->f_type != DTYPE_VNODE || vp->v_type == VFIFO)
return ESPIPE;
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
error = VOP_GETATTR(vp, &vattr, uc, p);
crfree(uc);
if (error != 0)
if ((error = VOP_GETATTR(vp, &vattr, p->p_ucred, p)) != 0)
return error;
length = vattr.va_size;

18
sys/compat/svr4/svr4_misc.c
View File

@ -250,7 +250,6 @@ svr4_sys_getdents64(p, uap)
struct uio auio;
struct iovec aiov;
struct vattr va;
struct ucred *uc;
off_t off;
struct svr4_dirent64 svr4_dirent;
int buflen, error, eofflag, nbytes, justone;
@ -271,13 +270,7 @@ svr4_sys_getdents64(p, uap)
if (vp->v_type != VDIR)
return (EINVAL);
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
error = VOP_GETATTR(vp, &va, uc, p);
crfree(uc);
if (error != 0) {
if ((error = VOP_GETATTR(vp, &va, p->p_ucred, p))) {
return error;
}
@ -599,7 +592,6 @@ svr4_sys_fchroot(p, uap)
struct filedesc *fdp = p->p_fd;
struct vnode *vp;
struct file *fp;
struct ucred *uc;
int error;
if ((error = suser(p)) != 0)
@ -610,14 +602,8 @@ svr4_sys_fchroot(p, uap)
vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);
if (vp->v_type != VDIR)
error = ENOTDIR;
else {
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
else
error = VOP_ACCESS(vp, VEXEC, p->p_ucred, p);
crfree(uc);
}
VOP_UNLOCK(vp, 0, p);
if (error)
return error;

40
sys/dev/ccd/ccd.c
View File

@ -380,7 +380,6 @@ ccdinit(ccd, cpaths, p)
size_t size;
int ix;
struct vnode *vp;
struct ucred *uc;
size_t minsize;
int maxsecsize;
struct partinfo dpart;
@ -407,10 +406,6 @@ ccdinit(ccd, cpaths, p)
*/
maxsecsize = 0;
minsize = 0;
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
for (ix = 0; ix < cs->sc_nccdisks; ix++) {
vp = ccd->ccd_vpp[ix];
ci = &cs->sc_cinfo[ix];
@ -438,7 +433,7 @@ ccdinit(ccd, cpaths, p)
* Get partition information for the component.
*/
if ((error = VOP_IOCTL(vp, DIOCGPART, (caddr_t)&dpart,
FREAD, uc, p)) != 0) {
FREAD, p->p_ucred, p)) != 0) {
#ifdef DEBUG
if (ccddebug & (CCDB_FOLLOW|CCDB_INIT))
printf("ccd%d: %s: ioctl failed, error = %d\n",
@ -484,7 +479,6 @@ ccdinit(ccd, cpaths, p)
ci->ci_size = size;
cs->sc_size += size;
}
crfree(uc);
/*
* Don't allow the interleave to be smaller than
@ -572,7 +566,6 @@ ccdinit(ccd, cpaths, p)
cs->sc_unit = ccd->ccd_unit;
return (0);
fail:
crfree(uc);
while (ci > cs->sc_cinfo) {
ci--;
free(ci->ci_path, M_DEVBUF);
@ -1272,7 +1265,6 @@ ccdioctl(dev, cmd, data, flag, p)
struct ccddevice ccd;
char **cpp;
struct vnode **vpp;
struct ucred *uc;
if (unit >= numccd)
return (ENXIO);
@ -1344,17 +1336,12 @@ ccdioctl(dev, cmd, data, flag, p)
printf("ccdioctl: lookedup = %d\n", lookedup);
#endif
if ((error = ccdlookup(cpp[i], p, &vpp[i])) != 0) {
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
for (j = 0; j < lookedup; ++j)
(void)vn_close(vpp[j], FREAD|FWRITE,
uc, p);
p->p_ucred, p);
free(vpp, M_DEVBUF);
free(cpp, M_DEVBUF);
ccdunlock(cs);
crfree(uc);
return (error);
}
++lookedup;
@ -1367,17 +1354,13 @@ ccdioctl(dev, cmd, data, flag, p)
* Initialize the ccd. Fills in the softc for us.
*/
if ((error = ccdinit(&ccd, cpp, p)) != 0) {
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
for (j = 0; j < lookedup; ++j)
(void)vn_close(vpp[j], FREAD|FWRITE, uc, p);
(void)vn_close(vpp[j], FREAD|FWRITE,
p->p_ucred, p);
bzero(&ccd_softc[unit], sizeof(struct ccd_softc));
free(vpp, M_DEVBUF);
free(cpp, M_DEVBUF);
ccdunlock(cs);
crfree(uc);
return (error);
}
@ -1417,10 +1400,6 @@ ccdioctl(dev, cmd, data, flag, p)
*/
/* Close the components and free their pathnames. */
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
for (i = 0; i < cs->sc_nccdisks; ++i) {
/*
* XXX: this close could potentially fail and
@ -1433,10 +1412,9 @@ ccdioctl(dev, cmd, data, flag, p)
cs->sc_cinfo[i].ci_vp);
#endif
(void)vn_close(cs->sc_cinfo[i].ci_vp, FREAD|FWRITE,
uc, p);
p->p_ucred, p);
free(cs->sc_cinfo[i].ci_path, M_DEVBUF);
}
crfree(uc);
/* Free interleave index. */
for (i = 0; cs->sc_itable[i].ii_ndisk; ++i)
@ -1581,7 +1559,6 @@ ccdlookup(path, p, vpp)
{
struct nameidata nd;
struct vnode *vp;
struct ucred *uc;
int error, flags;
NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, path, p);
@ -1616,12 +1593,7 @@ ccdlookup(path, p, vpp)
VOP_UNLOCK(vp, 0, p);
NDFREE(&nd, NDF_ONLY_PNBUF);
/* vn_close does vrele() for vp */
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
(void)vn_close(vp, FREAD|FWRITE, uc, p);
crfree(uc);
(void)vn_close(vp, FREAD|FWRITE, p->p_ucred, p);
return (error);
}

24
sys/dev/vn/vn.c
View File

@ -562,7 +562,6 @@ vniocattach_file(vn, vio, dev, flag, p)
struct proc *p;
{
struct vattr vattr;
struct ucred *uc;
struct nameidata nd;
int error, flags;
@ -579,15 +578,10 @@ vniocattach_file(vn, vio, dev, flag, p)
return (error);
}
NDFREE(&nd, NDF_ONLY_PNBUF);
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
if (nd.ni_vp->v_type != VREG ||
(error = VOP_GETATTR(nd.ni_vp, &vattr, uc, p))) {
(error = VOP_GETATTR(nd.ni_vp, &vattr, p->p_ucred, p))) {
VOP_UNLOCK(nd.ni_vp, 0, p);
(void) vn_close(nd.ni_vp, flags, uc, p);
crfree(uc);
(void) vn_close(nd.ni_vp, flags, p->p_ucred, p);
return (error ? error : EINVAL);
}
VOP_UNLOCK(nd.ni_vp, 0, p);
@ -602,13 +596,11 @@ vniocattach_file(vn, vio, dev, flag, p)
vn->sc_size = (quad_t)vio->vn_size * PAGE_SIZE / vn->sc_secsize;
else
vn->sc_size = vattr.va_size / vn->sc_secsize;
error = vnsetcred(vn, uc);
error = vnsetcred(vn, p->p_ucred);
if (error) {
(void) vn_close(nd.ni_vp, flags, uc, p);
crfree(uc);
(void) vn_close(nd.ni_vp, flags, p->p_ucred, p);
return(error);
}
crfree(uc);
vn->sc_flags |= VNF_INITED;
if (flags == FREAD)
vn->sc_flags |= VNF_READONLY;
@ -635,7 +627,6 @@ vniocattach_swap(vn, vio, dev, flag, p)
struct proc *p;
{
int error;
struct ucred *uc;
/*
* Range check. Disallow negative sizes or any size less then the
@ -667,12 +658,7 @@ vniocattach_swap(vn, vio, dev, flag, p)
}
}
vn->sc_flags |= VNF_INITED;
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
error = vnsetcred(vn, uc);
crfree(uc);
error = vnsetcred(vn, p->p_ucred);
if (error == 0) {
IFOPT(vn, VN_FOLLOW) {
printf("vnioctl: SET vp %p size %x\n",

17
sys/fs/cd9660/cd9660_vfsops.c
View File

@ -183,7 +183,6 @@ cd9660_mount(mp, path, data, ndp, p)
{
struct vnode *devvp;
struct iso_args args;
struct ucred *uc;
size_t size;
int error;
mode_t accessmode;
@ -228,12 +227,7 @@ cd9660_mount(mp, path, data, ndp, p)
*/
accessmode = VREAD;
vn_lock(devvp, LK_EXCLUSIVE | LK_RETRY, p);
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
error = VOP_ACCESS(devvp, accessmode, uc, p);
crfree(uc);
error = VOP_ACCESS(devvp, accessmode, p->p_ucred, p);
if (error)
error = suser(p);
if (error) {
@ -277,7 +271,6 @@ iso_mountfs(devvp, mp, p, argp)
register struct iso_mnt *isomp = (struct iso_mnt *)0;
struct buf *bp = NULL;
struct buf *pribp = NULL, *supbp = NULL;
struct ucred *uc;
dev_t dev = devvp->v_rdev;
int error = EINVAL;
int needclose = 0;
@ -305,13 +298,7 @@ iso_mountfs(devvp, mp, p, argp)
return error;
if (vcount(devvp) > 1 && devvp != rootvp)
return EBUSY;
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
error = vinvalbuf(devvp, V_SAVE, p->p_ucred, p, 0, 0);
crfree(uc);
if (error)
if ((error = vinvalbuf(devvp, V_SAVE, p->p_ucred, p, 0, 0)))
return (error);
vn_lock(devvp, LK_EXCLUSIVE | LK_RETRY, p);

16
sys/fs/coda/coda_vfsops.c
View File

@ -292,7 +292,6 @@ coda_root(vfsp, vpp)
int error;
struct proc *p = curproc; /* XXX - bnoble */
ViceFid VFid;
struct ucred* uc;
ENTRY;
MARK_ENTRY(CODA_ROOT_STATS);
@ -316,12 +315,7 @@ coda_root(vfsp, vpp)
}
}
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
error = venus_root(vftomi(vfsp), uc, p, &VFid);
crfree(uc);
error = venus_root(vftomi(vfsp), p->p_ucred, p, &VFid);
if (!error) {
/*
@ -447,7 +441,6 @@ coda_fhtovp(vfsp, fhp, nam, vpp, exflagsp, creadanonp)
int error;
struct proc *p = curproc; /* XXX -mach */
ViceFid VFid;
struct ucred *uc;
int vtype;
ENTRY;
@ -461,12 +454,7 @@ coda_fhtovp(vfsp, fhp, nam, vpp, exflagsp, creadanonp)
return(0);
}
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
error = venus_fhtovp(vftomi(vfsp), &cfid->cfid_fid, uc, p, &VFid, &vtype);
crfree(uc);
error = venus_fhtovp(vftomi(vfsp), &cfid->cfid_fid, p->p_ucred, p, &VFid, &vtype);
if (error) {
CODADEBUG(CODA_VGET, myprintf(("vget error %d\n",error));)

10
sys/fs/hpfs/hpfs_vfsops.c
View File

@ -331,9 +331,6 @@ hpfs_mountfs(devvp, mp, argsp, p)
struct hpfsmount *hpmp;
struct buf *bp = NULL;
struct vnode *vp;
#if defined(__FreeBSD__)
struct ucred *uc;
#endif
dev_t dev = devvp->v_rdev;
dprintf(("hpfs_mountfs():\n"));
@ -356,12 +353,7 @@ hpfs_mountfs(devvp, mp, argsp, p)
#if defined(__FreeBSD__)
VN_LOCK(devvp, LK_EXCLUSIVE | LK_RETRY, p);
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
error = vinvalbuf(devvp, V_SAVE, uc, p, 0, 0);
crfree(uc);
error = vinvalbuf(devvp, V_SAVE, p->p_ucred, p, 0, 0);
VOP__UNLOCK(devvp, 0, p);
#else
error = vinvalbuf(devvp, V_SAVE, p->p_ucred, p, 0, 0);

40
sys/geom/geom_ccd.c
View File

@ -380,7 +380,6 @@ ccdinit(ccd, cpaths, p)
size_t size;
int ix;
struct vnode *vp;
struct ucred *uc;
size_t minsize;
int maxsecsize;
struct partinfo dpart;
@ -407,10 +406,6 @@ ccdinit(ccd, cpaths, p)
*/
maxsecsize = 0;
minsize = 0;
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
for (ix = 0; ix < cs->sc_nccdisks; ix++) {
vp = ccd->ccd_vpp[ix];
ci = &cs->sc_cinfo[ix];
@ -438,7 +433,7 @@ ccdinit(ccd, cpaths, p)
* Get partition information for the component.
*/
if ((error = VOP_IOCTL(vp, DIOCGPART, (caddr_t)&dpart,
FREAD, uc, p)) != 0) {
FREAD, p->p_ucred, p)) != 0) {
#ifdef DEBUG
if (ccddebug & (CCDB_FOLLOW|CCDB_INIT))
printf("ccd%d: %s: ioctl failed, error = %d\n",
@ -484,7 +479,6 @@ ccdinit(ccd, cpaths, p)
ci->ci_size = size;
cs->sc_size += size;
}
crfree(uc);
/*
* Don't allow the interleave to be smaller than
@ -572,7 +566,6 @@ ccdinit(ccd, cpaths, p)
cs->sc_unit = ccd->ccd_unit;
return (0);
fail:
crfree(uc);
while (ci > cs->sc_cinfo) {
ci--;
free(ci->ci_path, M_DEVBUF);
@ -1272,7 +1265,6 @@ ccdioctl(dev, cmd, data, flag, p)
struct ccddevice ccd;
char **cpp;
struct vnode **vpp;
struct ucred *uc;
if (unit >= numccd)
return (ENXIO);
@ -1344,17 +1336,12 @@ ccdioctl(dev, cmd, data, flag, p)
printf("ccdioctl: lookedup = %d\n", lookedup);
#endif
if ((error = ccdlookup(cpp[i], p, &vpp[i])) != 0) {
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
for (j = 0; j < lookedup; ++j)
(void)vn_close(vpp[j], FREAD|FWRITE,
uc, p);
p->p_ucred, p);
free(vpp, M_DEVBUF);
free(cpp, M_DEVBUF);
ccdunlock(cs);
crfree(uc);
return (error);
}
++lookedup;
@ -1367,17 +1354,13 @@ ccdioctl(dev, cmd, data, flag, p)
* Initialize the ccd. Fills in the softc for us.
*/
if ((error = ccdinit(&ccd, cpp, p)) != 0) {
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
for (j = 0; j < lookedup; ++j)
(void)vn_close(vpp[j], FREAD|FWRITE, uc, p);
(void)vn_close(vpp[j], FREAD|FWRITE,
p->p_ucred, p);
bzero(&ccd_softc[unit], sizeof(struct ccd_softc));
free(vpp, M_DEVBUF);
free(cpp, M_DEVBUF);
ccdunlock(cs);
crfree(uc);
return (error);
}
@ -1417,10 +1400,6 @@ ccdioctl(dev, cmd, data, flag, p)
*/
/* Close the components and free their pathnames. */
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
for (i = 0; i < cs->sc_nccdisks; ++i) {
/*
* XXX: this close could potentially fail and
@ -1433,10 +1412,9 @@ ccdioctl(dev, cmd, data, flag, p)
cs->sc_cinfo[i].ci_vp);
#endif
(void)vn_close(cs->sc_cinfo[i].ci_vp, FREAD|FWRITE,
uc, p);
p->p_ucred, p);
free(cs->sc_cinfo[i].ci_path, M_DEVBUF);
}
crfree(uc);
/* Free interleave index. */
for (i = 0; cs->sc_itable[i].ii_ndisk; ++i)
@ -1581,7 +1559,6 @@ ccdlookup(path, p, vpp)
{
struct nameidata nd;
struct vnode *vp;
struct ucred *uc;
int error, flags;
NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, path, p);
@ -1616,12 +1593,7 @@ ccdlookup(path, p, vpp)
VOP_UNLOCK(vp, 0, p);
NDFREE(&nd, NDF_ONLY_PNBUF);
/* vn_close does vrele() for vp */
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
(void)vn_close(vp, FREAD|FWRITE, uc, p);
crfree(uc);
(void)vn_close(vp, FREAD|FWRITE, p->p_ucred, p);
return (error);
}

27
sys/gnu/ext2fs/ext2_vfsops.c
View File

@ -187,7 +187,6 @@ ext2_mount(mp, path, data, ndp, p)
struct vnode *devvp;
struct ufs_args args;
struct ufsmount *ump = 0;
struct ucred *uc;
register struct ext2_sb_info *fs;
size_t size;
int error, flags;
@ -232,17 +231,11 @@ ext2_mount(mp, path, data, ndp, p)
*/
if (suser(p)) {
vn_lock(devvp, LK_EXCLUSIVE | LK_RETRY, p);
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
if ((error = VOP_ACCESS(devvp, VREAD | VWRITE,
uc, p)) != 0) {
crfree(uc);
p->p_ucred, p)) != 0) {
VOP_UNLOCK(devvp, 0, p);
return (error);
}
crfree(uc);
VOP_UNLOCK(devvp, 0, p);
}
@ -294,16 +287,10 @@ ext2_mount(mp, path, data, ndp, p)
if ((mp->mnt_flag & MNT_RDONLY) == 0)
accessmode |= VWRITE;
vn_lock(devvp, LK_EXCLUSIVE | LK_RETRY, p);
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
if ((error = VOP_ACCESS(devvp, accessmode, uc, p)) != 0) {
crfree(uc);
if ((error = VOP_ACCESS(devvp, accessmode, p->p_ucred, p)) != 0) {
vput(devvp);
return (error);
}
crfree(uc);
VOP_UNLOCK(devvp, 0, p);
}
@ -629,7 +616,6 @@ ext2_mountfs(devvp, mp, p)
{
register struct ufsmount *ump;
struct buf *bp;
struct ucred *uc;
register struct ext2_sb_info *fs;
struct ext2_super_block * es;
dev_t dev = devvp->v_rdev;
@ -648,15 +634,8 @@ ext2_mountfs(devvp, mp, p)
return (error);
if (vcount(devvp) > 1 && devvp != rootvp)
return (EBUSY);
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
if ((error = vinvalbuf(devvp, V_SAVE, uc, p, 0, 0)) != 0) {
crfree(uc);
if ((error = vinvalbuf(devvp, V_SAVE, p->p_ucred, p, 0, 0)) != 0)
return (error);
}
crfree(uc);
#ifdef READONLY
/* turn on this to force it to be read-only */
mp->mnt_flag |= MNT_RDONLY;

27
sys/gnu/fs/ext2fs/ext2_vfsops.c
View File

@ -187,7 +187,6 @@ ext2_mount(mp, path, data, ndp, p)
struct vnode *devvp;
struct ufs_args args;
struct ufsmount *ump = 0;
struct ucred *uc;
register struct ext2_sb_info *fs;
size_t size;
int error, flags;
@ -232,17 +231,11 @@ ext2_mount(mp, path, data, ndp, p)
*/
if (suser(p)) {
vn_lock(devvp, LK_EXCLUSIVE | LK_RETRY, p);
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
if ((error = VOP_ACCESS(devvp, VREAD | VWRITE,
uc, p)) != 0) {
crfree(uc);
p->p_ucred, p)) != 0) {
VOP_UNLOCK(devvp, 0, p);
return (error);
}
crfree(uc);
VOP_UNLOCK(devvp, 0, p);
}
@ -294,16 +287,10 @@ ext2_mount(mp, path, data, ndp, p)
if ((mp->mnt_flag & MNT_RDONLY) == 0)
accessmode |= VWRITE;
vn_lock(devvp, LK_EXCLUSIVE | LK_RETRY, p);
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
if ((error = VOP_ACCESS(devvp, accessmode, uc, p)) != 0) {
crfree(uc);
if ((error = VOP_ACCESS(devvp, accessmode, p->p_ucred, p)) != 0) {
vput(devvp);
return (error);
}
crfree(uc);
VOP_UNLOCK(devvp, 0, p);
}
@ -629,7 +616,6 @@ ext2_mountfs(devvp, mp, p)
{
register struct ufsmount *ump;
struct buf *bp;
struct ucred *uc;
register struct ext2_sb_info *fs;
struct ext2_super_block * es;
dev_t dev = devvp->v_rdev;
@ -648,15 +634,8 @@ ext2_mountfs(devvp, mp, p)
return (error);
if (vcount(devvp) > 1 && devvp != rootvp)
return (EBUSY);
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
if ((error = vinvalbuf(devvp, V_SAVE, uc, p, 0, 0)) != 0) {
crfree(uc);
if ((error = vinvalbuf(devvp, V_SAVE, p->p_ucred, p, 0, 0)) != 0)
return (error);
}
crfree(uc);
#ifdef READONLY
/* turn on this to force it to be read-only */
mp->mnt_flag |= MNT_RDONLY;

13
sys/i386/ibcs2/ibcs2_util.c
View File

@ -62,7 +62,6 @@ ibcs2_emul_find(p, sgp, prefix, path, pbuf, cflag)
struct nameidata ndroot;
struct vattr vat;
struct vattr vatroot;
struct ucred *uc;
int error;
char *ptr, *buf, *cp;
size_t sz, len;
@ -141,20 +140,14 @@ ibcs2_emul_find(p, sgp, prefix, path, pbuf, cflag)
return error;
}
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
if ((error = VOP_GETATTR(nd.ni_vp, &vat, uc, p)) != 0) {
crfree(uc);
if ((error = VOP_GETATTR(nd.ni_vp, &vat, p->p_ucred, p)) != 0) {
goto done;
}
if ((error = VOP_GETATTR(ndroot.ni_vp, &vatroot, uc, p)) != 0) {
crfree(uc);
if ((error = VOP_GETATTR(ndroot.ni_vp, &vatroot, p->p_ucred, p))
!= 0) {
goto done;
}
crfree(uc);
if (vat.va_fsid == vatroot.va_fsid &&
vat.va_fileid == vatroot.va_fileid) {

23
sys/i386/ibcs2/imgact_coff.c
View File

@ -156,7 +156,6 @@ coff_load_file(struct proc *p, char *name)
struct nameidata nd;
struct vnode *vp;
struct vattr attr;
struct ucred *uc;
struct filehdr *fhdr;
struct aouthdr *ahdr;
struct scnhdr *scns;
@ -182,38 +181,24 @@ coff_load_file(struct proc *p, char *name)
goto fail;
}
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
if ((error = VOP_GETATTR(vp, &attr, uc, p)) != 0) {
crfree(uc);
if ((error = VOP_GETATTR(vp, &attr, p->p_ucred, p)) != 0)
goto fail;
}
if ((vp->v_mount->mnt_flag & MNT_NOEXEC)
|| ((attr.va_mode & 0111) == 0)
|| (attr.va_type != VREG)) {
crfree(uc);
|| (attr.va_type != VREG))
goto fail;
}
if (attr.va_size == 0) {
error = ENOEXEC;
crfree(uc);
goto fail;
}
if ((error = VOP_ACCESS(vp, VEXEC, uc, p)) != 0) {
crfree(uc);
if ((error = VOP_ACCESS(vp, VEXEC, p->p_ucred, p)) != 0)
goto fail;
}
if ((error = VOP_OPEN(vp, FREAD, uc, p)) != 0) {
crfree(uc);
if ((error = VOP_OPEN(vp, FREAD, p->p_ucred, p)) != 0)
goto fail;
}
crfree(uc);
/*
* Lose the lock on the vnode. It's no longer needed, and must not

17
sys/isofs/cd9660/cd9660_vfsops.c
View File

@ -183,7 +183,6 @@ cd9660_mount(mp, path, data, ndp, p)
{
struct vnode *devvp;
struct iso_args args;
struct ucred *uc;
size_t size;
int error;
mode_t accessmode;
@ -228,12 +227,7 @@ cd9660_mount(mp, path, data, ndp, p)
*/
accessmode = VREAD;
vn_lock(devvp, LK_EXCLUSIVE | LK_RETRY, p);
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
error = VOP_ACCESS(devvp, accessmode, uc, p);
crfree(uc);
error = VOP_ACCESS(devvp, accessmode, p->p_ucred, p);
if (error)
error = suser(p);
if (error) {
@ -277,7 +271,6 @@ iso_mountfs(devvp, mp, p, argp)
register struct iso_mnt *isomp = (struct iso_mnt *)0;
struct buf *bp = NULL;
struct buf *pribp = NULL, *supbp = NULL;
struct ucred *uc;
dev_t dev = devvp->v_rdev;
int error = EINVAL;
int needclose = 0;
@ -305,13 +298,7 @@ iso_mountfs(devvp, mp, p, argp)
return error;
if (vcount(devvp) > 1 && devvp != rootvp)
return EBUSY;
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
error = vinvalbuf(devvp, V_SAVE, p->p_ucred, p, 0, 0);
crfree(uc);
if (error)
if ((error = vinvalbuf(devvp, V_SAVE, p->p_ucred, p, 0, 0)))
return (error);
vn_lock(devvp, LK_EXCLUSIVE | LK_RETRY, p);

7
sys/kern/imgact_aout.c
View File

@ -249,17 +249,13 @@ aout_coredump(p, vp, limit)
register struct vnode *vp;
off_t limit;
{
register struct ucred *cred;
register struct ucred *cred = p->p_ucred;
register struct vmspace *vm = p->p_vmspace;
int error;
if (ctob(UPAGES + vm->vm_dsize + vm->vm_ssize) >= limit)
return (EFAULT);
fill_kinfo_proc(p, &p->p_addr->u_kproc);
PROC_LOCK(p);
cred = p->p_ucred;
crhold(cred);
PROC_UNLOCK(p);
error = cpu_coredump(p, vp, cred);
if (error == 0)
error = vn_rdwr(UIO_WRITE, vp, vm->vm_daddr,
@ -271,7 +267,6 @@ aout_coredump(p, vp, limit)
round_page(ctob(vm->vm_ssize)),
(off_t)ctob(UPAGES) + ctob(vm->vm_dsize), UIO_USERSPACE,
IO_NODELOCKED|IO_UNIT, cred, (int *) NULL, p);
crfree(cred);
return (error);
}

7
sys/kern/imgact_elf.c
View File

@ -722,7 +722,7 @@ elf_coredump(p, vp, limit)
register struct vnode *vp;
off_t limit;
{
register struct ucred *cred;
register struct ucred *cred = p->p_ucred;
int error = 0;
struct sseg_closure seginfo;
void *hdr;
@ -754,10 +754,6 @@ elf_coredump(p, vp, limit)
if (hdr == NULL) {
return EINVAL;
}
PROC_LOCK(p);
cred = p->p_ucred;
crhold(cred);
PROC_UNLOCK(p);
error = elf_corehdr(p, vp, cred, seginfo.count, hdr, hdrsize);
/* Write the contents of all of the writable segments. */
@ -778,7 +774,6 @@ elf_coredump(p, vp, limit)
php++;
}
}
crfree(cred);
free(hdr, M_TEMP);
return error;

32
sys/kern/kern_acct.c
View File

@ -114,7 +114,6 @@ acct(a1, uap)
} */ *uap;
{
struct proc *p = curproc; /* XXX */
struct ucred *uc;
struct nameidata nd;
int error, flags;
@ -137,12 +136,7 @@ acct(a1, uap)
NDFREE(&nd, NDF_ONLY_PNBUF);
VOP_UNLOCK(nd.ni_vp, 0, p);
if (nd.ni_vp->v_type != VREG) {
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
vn_close(nd.ni_vp, FWRITE, uc, p);
crfree(uc);
vn_close(nd.ni_vp, FWRITE, p->p_ucred, p);
return (EACCES);
}
}
@ -153,13 +147,8 @@ acct(a1, uap)
*/
if (acctp != NULLVP || savacctp != NULLVP) {
callout_stop(&acctwatch_callout);
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
error = vn_close((acctp != NULLVP ? acctp : savacctp), FWRITE,
uc, p);
crfree(uc);
p->p_ucred, p);
acctp = savacctp = NULLVP;
}
if (SCARG(uap, path) == NULL)
@ -187,10 +176,9 @@ acct_process(p)
struct proc *p;
{
struct acct acct;
struct ucred *uc;
struct rusage *r;
struct timeval ut, st, tmp;
int t, error;
int t;
struct vnode *vp;
/* If accounting isn't enabled, don't bother */
@ -231,7 +219,6 @@ acct_process(p)
/* (5) The number of disk I/O operations done */
acct.ac_io = encode_comp_t(r->ru_inblock + r->ru_oublock, 0);
PROC_LOCK(p);
/* (6) The UID and GID of the process */
acct.ac_uid = p->p_cred->p_ruid;
acct.ac_gid = p->p_cred->p_rgid;
@ -248,7 +235,6 @@ acct_process(p)
/*
* Eliminate any file size rlimit.
*/
mtx_assert(&Giant, MA_OWNED);
if (p->p_limit->p_refcnt > 1 &&
(p->p_limit->p_lflags & PL_SHAREMOD) == 0) {
p->p_limit->p_refcnt--;
@ -259,14 +245,10 @@ acct_process(p)
/*
* Write the accounting information to the file.
*/
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
VOP_LEASE(vp, p, uc, LEASE_WRITE);
error = vn_rdwr(UIO_WRITE, vp, (caddr_t)&acct, sizeof (acct),
(off_t)0, UIO_SYSSPACE, IO_APPEND|IO_UNIT, uc, (int *)0, p);
crfree(uc);
return (error);
VOP_LEASE(vp, p, p->p_ucred, LEASE_WRITE);
return (vn_rdwr(UIO_WRITE, vp, (caddr_t)&acct, sizeof (acct),
(off_t)0, UIO_SYSSPACE, IO_APPEND|IO_UNIT, p->p_ucred,
(int *)0, p));
}
/*

40
sys/kern/kern_acl.c
View File

@ -72,22 +72,16 @@ vacl_set_acl(struct proc *p, struct vnode *vp, acl_type_t type,
struct acl *aclp)
{
struct acl inkernacl;
struct ucred *uc;
int error;
error = copyin(aclp, &inkernacl, sizeof(struct acl));
if (error)
return(error);
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
VOP_LEASE(vp, p, uc, LEASE_WRITE);
VOP_LEASE(vp, p, p->p_ucred, LEASE_WRITE);
vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);
error = VOP_SETACL(vp, type, &inkernacl, uc, p);
error = VOP_SETACL(vp, type, &inkernacl, p->p_ucred, p);
VOP_UNLOCK(vp, 0, p);
crfree(uc);
return (error);
return(error);
}
/*
@ -98,18 +92,12 @@ vacl_get_acl(struct proc *p, struct vnode *vp, acl_type_t type,
struct acl *aclp)
{
struct acl inkernelacl;
struct ucred *uc;
int error;
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
VOP_LEASE(vp, p, uc, LEASE_WRITE);
VOP_LEASE(vp, p, p->p_ucred, LEASE_WRITE);
vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);
error = VOP_GETACL(vp, type, &inkernelacl, uc, p);
error = VOP_GETACL(vp, type, &inkernelacl, p->p_ucred, p);
VOP_UNLOCK(vp, 0, p);
crfree(uc);
if (error == 0)
error = copyout(&inkernelacl, aclp, sizeof(struct acl));
return (error);
@ -121,18 +109,12 @@ vacl_get_acl(struct proc *p, struct vnode *vp, acl_type_t type,
static int
vacl_delete(struct proc *p, struct vnode *vp, acl_type_t type)
{
struct ucred *uc;
int error;
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
VOP_LEASE(vp, p, uc, LEASE_WRITE);
VOP_LEASE(vp, p, p->p_ucred, LEASE_WRITE);
vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);
error = VOP_SETACL(vp, ACL_TYPE_DEFAULT, 0, uc, p);
error = VOP_SETACL(vp, ACL_TYPE_DEFAULT, 0, p->p_ucred, p);
VOP_UNLOCK(vp, 0, p);
crfree(uc);
return (error);
}
@ -144,18 +126,12 @@ vacl_aclcheck(struct proc *p, struct vnode *vp, acl_type_t type,
struct acl *aclp)
{
struct acl inkernelacl;
struct ucred *uc;
int error;
error = copyin(aclp, &inkernelacl, sizeof(struct acl));
if (error)
return(error);
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
error = VOP_ACLCHECK(vp, type, &inkernelacl, uc, p);
crfree(uc);
error = VOP_ACLCHECK(vp, type, &inkernelacl, p->p_ucred, p);
return (error);
}

40
sys/kern/subr_acl_posix1e.c
View File

@ -72,22 +72,16 @@ vacl_set_acl(struct proc *p, struct vnode *vp, acl_type_t type,
struct acl *aclp)
{
struct acl inkernacl;
struct ucred *uc;
int error;
error = copyin(aclp, &inkernacl, sizeof(struct acl));
if (error)
return(error);
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
VOP_LEASE(vp, p, uc, LEASE_WRITE);
VOP_LEASE(vp, p, p->p_ucred, LEASE_WRITE);
vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);
error = VOP_SETACL(vp, type, &inkernacl, uc, p);
error = VOP_SETACL(vp, type, &inkernacl, p->p_ucred, p);
VOP_UNLOCK(vp, 0, p);
crfree(uc);
return (error);
return(error);
}
/*
@ -98,18 +92,12 @@ vacl_get_acl(struct proc *p, struct vnode *vp, acl_type_t type,
struct acl *aclp)
{
struct acl inkernelacl;
struct ucred *uc;
int error;
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
VOP_LEASE(vp, p, uc, LEASE_WRITE);
VOP_LEASE(vp, p, p->p_ucred, LEASE_WRITE);
vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);
error = VOP_GETACL(vp, type, &inkernelacl, uc, p);
error = VOP_GETACL(vp, type, &inkernelacl, p->p_ucred, p);
VOP_UNLOCK(vp, 0, p);
crfree(uc);
if (error == 0)
error = copyout(&inkernelacl, aclp, sizeof(struct acl));
return (error);
@ -121,18 +109,12 @@ vacl_get_acl(struct proc *p, struct vnode *vp, acl_type_t type,
static int
vacl_delete(struct proc *p, struct vnode *vp, acl_type_t type)
{
struct ucred *uc;
int error;
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
VOP_LEASE(vp, p, uc, LEASE_WRITE);
VOP_LEASE(vp, p, p->p_ucred, LEASE_WRITE);
vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);
error = VOP_SETACL(vp, ACL_TYPE_DEFAULT, 0, uc, p);
error = VOP_SETACL(vp, ACL_TYPE_DEFAULT, 0, p->p_ucred, p);
VOP_UNLOCK(vp, 0, p);
crfree(uc);
return (error);
}
@ -144,18 +126,12 @@ vacl_aclcheck(struct proc *p, struct vnode *vp, acl_type_t type,
struct acl *aclp)
{
struct acl inkernelacl;
struct ucred *uc;
int error;
error = copyin(aclp, &inkernelacl, sizeof(struct acl));
if (error)
return(error);
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
error = VOP_ACLCHECK(vp, type, &inkernelacl, uc, p);
crfree(uc);
error = VOP_ACLCHECK(vp, type, &inkernelacl, p->p_ucred, p);
return (error);
}

40
sys/kern/vfs_acl.c
View File

@ -72,22 +72,16 @@ vacl_set_acl(struct proc *p, struct vnode *vp, acl_type_t type,
struct acl *aclp)
{
struct acl inkernacl;
struct ucred *uc;
int error;
error = copyin(aclp, &inkernacl, sizeof(struct acl));
if (error)
return(error);
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
VOP_LEASE(vp, p, uc, LEASE_WRITE);
VOP_LEASE(vp, p, p->p_ucred, LEASE_WRITE);
vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);
error = VOP_SETACL(vp, type, &inkernacl, uc, p);
error = VOP_SETACL(vp, type, &inkernacl, p->p_ucred, p);
VOP_UNLOCK(vp, 0, p);
crfree(uc);
return (error);
return(error);
}
/*
@ -98,18 +92,12 @@ vacl_get_acl(struct proc *p, struct vnode *vp, acl_type_t type,
struct acl *aclp)
{
struct acl inkernelacl;
struct ucred *uc;
int error;
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
VOP_LEASE(vp, p, uc, LEASE_WRITE);
VOP_LEASE(vp, p, p->p_ucred, LEASE_WRITE);
vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);
error = VOP_GETACL(vp, type, &inkernelacl, uc, p);
error = VOP_GETACL(vp, type, &inkernelacl, p->p_ucred, p);
VOP_UNLOCK(vp, 0, p);
crfree(uc);
if (error == 0)
error = copyout(&inkernelacl, aclp, sizeof(struct acl));
return (error);
@ -121,18 +109,12 @@ vacl_get_acl(struct proc *p, struct vnode *vp, acl_type_t type,
static int
vacl_delete(struct proc *p, struct vnode *vp, acl_type_t type)
{
struct ucred *uc;
int error;
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
VOP_LEASE(vp, p, uc, LEASE_WRITE);
VOP_LEASE(vp, p, p->p_ucred, LEASE_WRITE);
vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);
error = VOP_SETACL(vp, ACL_TYPE_DEFAULT, 0, uc, p);
error = VOP_SETACL(vp, ACL_TYPE_DEFAULT, 0, p->p_ucred, p);
VOP_UNLOCK(vp, 0, p);
crfree(uc);
return (error);
}
@ -144,18 +126,12 @@ vacl_aclcheck(struct proc *p, struct vnode *vp, acl_type_t type,
struct acl *aclp)
{
struct acl inkernelacl;
struct ucred *uc;
int error;
error = copyin(aclp, &inkernelacl, sizeof(struct acl));
if (error)
return(error);
PROC_LOCK(p);
uc = p->p_ucred;
crhold(uc);
PROC_UNLOCK(p);
error = VOP_ACLCHECK(vp, type, &inkernelacl, uc, p);
crfree(uc);
error = VOP_ACLCHECK(vp, type, &inkernelacl, p->p_ucred, p);
return (error);
}