diff options
Diffstat (limited to 'sys/cddl/compat/opensolaris/kern/opensolaris_lookup.c')
| -rw-r--r-- | sys/cddl/compat/opensolaris/kern/opensolaris_lookup.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/cddl/compat/opensolaris/kern/opensolaris_lookup.c b/sys/cddl/compat/opensolaris/kern/opensolaris_lookup.c index a7ec8b9..94383d6 100644 --- a/sys/cddl/compat/opensolaris/kern/opensolaris_lookup.c +++ b/sys/cddl/compat/opensolaris/kern/opensolaris_lookup.c @@ -88,6 +88,7 @@ traverse(vnode_t **cvpp, int lktype) vfsp = vn_mountedvfs(cvp); if (vfsp == NULL) break; + error = vfs_busy(vfsp, 0); /* * tvp is NULL for *cvpp vnode, which we can't unlock. */ @@ -95,12 +96,15 @@ traverse(vnode_t **cvpp, int lktype) vput(cvp); else vrele(cvp); + if (error) + return (error); /* * The read lock must be held across the call to VFS_ROOT() to * prevent a concurrent unmount from destroying the vfs. */ error = VFS_ROOT(vfsp, lktype, &tvp); + vfs_unbusy(vfsp); if (error != 0) return (error); cvp = tvp; |
