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-rw-r--r--sys/kern/vfs_cache.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/kern/vfs_cache.c b/sys/kern/vfs_cache.c
index 533ec97..a13a721 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;
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