svn commit: r208696 - head/sys/net80211
Rui Paulo
rpaulo at FreeBSD.org
Tue Jun 1 14:14:00 UTC 2010
Author: rpaulo
Date: Tue Jun 1 14:13:59 2010
New Revision: 208696
URL: http://svn.freebsd.org/changeset/base/208696
Log:
Don't reference null pointer in hwmp_recv_preq().
Found with: Coverity Prevent(tm)
CID: 3912
MFC after: 3 days
Modified:
head/sys/net80211/ieee80211_hwmp.c
Modified: head/sys/net80211/ieee80211_hwmp.c
==============================================================================
--- head/sys/net80211/ieee80211_hwmp.c Tue Jun 1 14:09:35 2010 (r208695)
+++ head/sys/net80211/ieee80211_hwmp.c Tue Jun 1 14:13:59 2010 (r208696)
@@ -707,6 +707,9 @@ hwmp_recv_preq(struct ieee80211vap *vap,
rtorig = ieee80211_mesh_rt_find(vap, preq->preq_origaddr);
if (rtorig == NULL)
rtorig = ieee80211_mesh_rt_add(vap, preq->preq_origaddr);
+ if (rtorig == NULL)
+ /* XXX stat */
+ return;
hrorig = IEEE80211_MESH_ROUTE_PRIV(rtorig, struct ieee80211_hwmp_route);
/*
* Sequence number validation.
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