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From: Hiroki Sato <hrs@FreeBSD.org>
Date: Mon, 5 Aug 2013 00:36:12 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r253950 - head/sys/netinet6
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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) {
 			/*