Author: markj
Date: Thu Dec 11 00:41:54 2014
New Revision: 275695
URL: https://svnweb.freebsd.org/changeset/base/275695
Log:
Fix a bug in r266857: nd6_dad_find() must return NULL if it doesn't find
a matching element in the DAD queue.
Reported by: Holger Hans Peter Freyther <hol...@freyther.de>
MFC after: 3 days
Modified:
head/sys/netinet6/nd6_nbr.c
Modified: head/sys/netinet6/nd6_nbr.c
==============================================================================
--- head/sys/netinet6/nd6_nbr.c Thu Dec 11 00:25:26 2014 (r275694)
+++ head/sys/netinet6/nd6_nbr.c Thu Dec 11 00:41:54 2014 (r275695)
@@ -1210,11 +1210,12 @@ nd6_dad_find(struct ifaddr *ifa)
TAILQ_FOREACH(dp, &V_dadq, dad_list)
if (dp->dad_ifa == ifa) {
refcount_acquire(&dp->dad_refcnt);
- break;
+ DADQ_RUNLOCK();
+ return (dp);
}
DADQ_RUNLOCK();
- return (dp);
+ return (NULL);
}
static void
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