diff options
| author | Konstantin Belousov <kib@FreeBSD.org> | 2010-05-04 05:25:48 +0000 |
|---|---|---|
| committer | Konstantin Belousov <kib@FreeBSD.org> | 2010-05-04 05:25:48 +0000 |
| commit | 22df1496d2c8f9946206b721706e563bc087f795 (patch) | |
| tree | 16753f342bfa3a6f11cfd139c765ca5a6d286928 | |
| parent | 88389d6103a728e508f8090b71c0bfef0bc66f8f (diff) | |
Notes
| -rw-r--r-- | sys/fs/pseudofs/pseudofs_vnops.c | 2 | ||||
| -rw-r--r-- | sys/kern/vfs_cache.c | 2 | ||||
| -rw-r--r-- | sys/ufs/ufs/ufs_lookup.c | 8 |
3 files changed, 11 insertions, 1 deletions
diff --git a/sys/fs/pseudofs/pseudofs_vnops.c b/sys/fs/pseudofs/pseudofs_vnops.c index 34ca500c985a..ad88695b048d 100644 --- a/sys/fs/pseudofs/pseudofs_vnops.c +++ b/sys/fs/pseudofs/pseudofs_vnops.c @@ -542,7 +542,7 @@ pfs_lookup(struct vop_cachedlookup_args *va) if (cnp->cn_flags & ISDOTDOT) vn_lock(vn, LK_EXCLUSIVE|LK_RETRY); - if (cnp->cn_flags & MAKEENTRY) + if (cnp->cn_flags & MAKEENTRY && !(vn->v_iflag & VI_DOOMED)) cache_enter(vn, *vpp, cnp); PFS_RETURN (0); failed: diff --git a/sys/kern/vfs_cache.c b/sys/kern/vfs_cache.c index 533ec97875d4..a13a721850d9 100644 --- a/sys/kern/vfs_cache.c +++ b/sys/kern/vfs_cache.c @@ -611,6 +611,8 @@ cache_enter(dvp, vp, cnp) CTR3(KTR_VFS, "cache_enter(%p, %p, %s)", dvp, vp, cnp->cn_nameptr); VNASSERT(vp == NULL || (vp->v_iflag & VI_DOOMED) == 0, vp, ("cache_enter: Adding a doomed vnode")); + VNASSERT(dvp == NULL || (dvp->v_iflag & VI_DOOMED) == 0, dvp, + ("cache_enter: Doomed vnode used as src")); if (!doingcache) return; diff --git a/sys/ufs/ufs/ufs_lookup.c b/sys/ufs/ufs/ufs_lookup.c index a19068ee0759..61fc36321f74 100644 --- a/sys/ufs/ufs/ufs_lookup.c +++ b/sys/ufs/ufs/ufs_lookup.c @@ -704,6 +704,14 @@ found: vn_lock(vdp, LK_UPGRADE | LK_RETRY); else /* if (ltype == LK_SHARED) */ vn_lock(vdp, LK_DOWNGRADE | LK_RETRY); + /* + * Relock for the "." case may left us with + * reclaimed vnode. + */ + if (vdp->v_iflag & VI_DOOMED) { + vrele(vdp); + return (ENOENT); + } } *vpp = vdp; } else { |