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| author | Jason A. Harmening <jah@FreeBSD.org> | 2023-01-16 21:48:11 +0000 |
|---|---|---|
| committer | Jason A. Harmening <jah@FreeBSD.org> | 2023-04-18 01:31:40 +0000 |
| commit | a5d82b55fe76307df5277caa4bb1b7963a405e34 (patch) | |
| tree | 408ae4529b688753944e4f8329ca7a8a7af92783 | |
| parent | a18c403fbddb0fa9650f133a026f40ad33751134 (diff) | |
| download | src-a5d82b55fe76307df5277caa4bb1b7963a405e34.tar.gz src-a5d82b55fe76307df5277caa4bb1b7963a405e34.zip | |
Remove an impossible condition from unionfs_lock()
We hold the vnode interlock, so vnode private data cannot suddenly
become NULL.
Tested by: pho
Reviewed by: kib, markj
Differential Revision: https://reviews.freebsd.org/D39272
| -rw-r--r-- | sys/fs/unionfs/union_vnops.c | 8 |
1 files changed, 0 insertions, 8 deletions
diff --git a/sys/fs/unionfs/union_vnops.c b/sys/fs/unionfs/union_vnops.c index f78e653280a4..a0ff5c140e82 100644 --- a/sys/fs/unionfs/union_vnops.c +++ b/sys/fs/unionfs/union_vnops.c @@ -1982,14 +1982,6 @@ unionfs_lock(struct vop_lock1_args *ap) vholdnz(uvp); uhold = 1; VOP_UNLOCK(uvp); - unp = VTOUNIONFS(vp); - if (unp == NULL) { - /* vnode is released. */ - VI_UNLOCK(vp); - VOP_UNLOCK(lvp); - vdrop(uvp); - return (EBUSY); - } } VI_LOCK_FLAGS(lvp, MTX_DUPOK); flags |= LK_INTERLOCK; |