Author: avg
Date: Sat Aug 17 09:23:03 2019
New Revision: 351168
URL: https://svnweb.freebsd.org/changeset/base/351168
Log:
zfs_vget: fix vnode reference count leak in error path
If vn_lock() failed, then the function returned the error but the vnode
obtained via zfs_zget() was never released.
MFC after: 10 days
Sponsored by: Panzura
Modified:
head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vfsops.c
Modified: head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vfsops.c
==============================================================================
--- head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vfsops.c Sat Aug
17 08:29:22 2019 (r351167)
+++ head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vfsops.c Sat Aug
17 09:23:03 2019 (r351168)
@@ -2317,8 +2317,11 @@ zfs_vget(vfs_t *vfsp, ino_t ino, int flags, vnode_t **
if (err == 0)
*vpp = ZTOV(zp);
ZFS_EXIT(zfsvfs);
- if (err == 0)
+ if (err == 0) {
err = vn_lock(*vpp, flags);
+ if (err != 0)
+ vrele(*vpp);
+ }
if (err != 0)
*vpp = NULL;
return (err);
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