Author: kib
Date: Tue Nov 20 15:25:00 2012
New Revision: 243340
URL: http://svnweb.freebsd.org/changeset/base/243340
Log:
Remove the check and panic for an impossible condition. The NULL
lowervp vnode v_vnlock would cause panic due to NULL pointer
dereference much earlier.
MFC after: 1 week
Modified:
head/sys/fs/nullfs/null_subr.c
Modified: head/sys/fs/nullfs/null_subr.c
==============================================================================
--- head/sys/fs/nullfs/null_subr.c Tue Nov 20 15:23:22 2012
(r243339)
+++ head/sys/fs/nullfs/null_subr.c Tue Nov 20 15:25:00 2012
(r243340)
@@ -251,8 +251,6 @@ null_nodeget(mp, lowervp, vpp)
vp->v_type = lowervp->v_type;
vp->v_data = xp;
vp->v_vnlock = lowervp->v_vnlock;
- if (vp->v_vnlock == NULL)
- panic("null_nodeget: Passed a NULL vnlock.\n");
error = insmntque1(vp, mp, null_insmntque_dtr, xp);
if (error != 0)
return (error);
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