svn commit: r193573 - user/kmacy/releng_7_2_fcs/sys/dev/cxgb/sys

[Kip Macy]

Author: kmacy
Date: Sat Jun  6 07:29:19 2009
New Revision: 193573
URL: http://svn.freebsd.org/changeset/base/193573

Log:
  sanity check mbufs on free

Modified:
  user/kmacy/releng_7_2_fcs/sys/dev/cxgb/sys/mvec.h

Modified: user/kmacy/releng_7_2_fcs/sys/dev/cxgb/sys/mvec.h
==============================================================================
--- user/kmacy/releng_7_2_fcs/sys/dev/cxgb/sys/mvec.h	Sat Jun  6 07:19:49 2009	(r193572)
+++ user/kmacy/releng_7_2_fcs/sys/dev/cxgb/sys/mvec.h	Sat Jun  6 07:29:19 2009	(r193573)
@@ -67,8 +67,16 @@ static __inline void
 m_freem_list(struct mbuf *m)
 {
 	struct mbuf *n; 
+#ifdef INVARIANTS
+	int i = 0;
+#endif	
 
 	while (m != NULL) {
+#ifdef INVARIANTS
+		if (m == (struct mbuf *)0xDEADBEEF)
+			panic("freed mbuf %d in mbuf list", i);
+		i++;
+#endif
 		n = m->m_nextpkt;
 		if (n != NULL)
 			prefetch(n);