svn commit: r253950 - head/sys/netinet6

[Hiroki Sato]

Author: hrs
Date: Mon Aug  5 00:36:12 2013
New Revision: 253950
URL: http://svnweb.freebsd.org/changeset/base/253950

Log:
  Fix a panic in tmpaddrtimer.

Modified:
  head/sys/netinet6/in6_ifattach.c

Modified: head/sys/netinet6/in6_ifattach.c
==============================================================================
--- head/sys/netinet6/in6_ifattach.c	Mon Aug  5 00:28:03 2013	(r253949)
+++ head/sys/netinet6/in6_ifattach.c	Mon Aug  5 00:36:12 2013	(r253950)
@@ -932,6 +932,8 @@ in6_tmpaddrtimer(void *arg)
 
 	bzero(nullbuf, sizeof(nullbuf));
 	TAILQ_FOREACH(ifp, &V_ifnet, if_list) {
+		if (ifp->if_afdata[AF_INET6] == NULL)
+			continue;
 		ndi = ND_IFINFO(ifp);
 		if (bcmp(ndi->randomid, nullbuf, sizeof(nullbuf)) != 0) {
 			/*