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MFC r196966:

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Lock Giant around vn_open_cred().
Remove innocent unnecessary call to NDFREE().

Approved by:	re (kensmith)
This commit is contained in:
Konstantin Belousov 2009-09-11 12:56:13 +00:00
parent ac7d4c93c6
commit 8f0b752891
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/stable/8/; revision=197087
1 changed files with 4 additions and 2 deletions
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6
sys/cddl/compat/opensolaris/kern/opensolaris_kobj.c
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@ -69,7 +69,7 @@ kobj_open_file_vnode(const char *file)
struct thread *td = curthread;
struct filedesc *fd;
struct nameidata nd;
int error, flags;
int error, flags, vfslocked;
fd = td->td_proc->p_fd;
FILEDESC_XLOCK(fd);
@ -86,11 +86,13 @@ kobj_open_file_vnode(const char *file)
flags = FREAD | O_NOFOLLOW;
NDINIT(&nd, LOOKUP, MPSAFE, UIO_SYSSPACE, file, td);
error = vn_open_cred(&nd, &flags, 0, 0, curthread->td_ucred, NULL);
NDFREE(&nd, NDF_ONLY_PNBUF);
if (error != 0)
return (NULL);
vfslocked = NDHASGIANT(&nd);
NDFREE(&nd, NDF_ONLY_PNBUF);
/* We just unlock so we hold a reference. */
VOP_UNLOCK(nd.ni_vp, 0);
VFS_UNLOCK_GIANT(vfslocked);
return (nd.ni_vp);
}