Date: Tue, 20 Nov 2012 15:25:00 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r243340 - head/sys/fs/nullfs Message-ID: <201211201525.qAKFP0Xq045296@svn.freebsd.org>
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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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