svn commit: r273448 - head/sys/dev/usb/wlan
Kevin Lo
kevlo at FreeBSD.org
Wed Oct 22 03:32:28 UTC 2014
Author: kevlo
Date: Wed Oct 22 03:32:27 2014
New Revision: 273448
URL: https://svnweb.freebsd.org/changeset/base/273448
Log:
Fix the kernel panic in hostap mode.
rvp->beacon_mbuf was NULL in run_update_beacon().
PR: 189405
Submitted by: Gabor Simon <gabor.simon75 at gmail.com>
MFC after: 3 days
Modified:
head/sys/dev/usb/wlan/if_run.c
Modified: head/sys/dev/usb/wlan/if_run.c
==============================================================================
--- head/sys/dev/usb/wlan/if_run.c Wed Oct 22 01:53:00 2014 (r273447)
+++ head/sys/dev/usb/wlan/if_run.c Wed Oct 22 03:32:27 2014 (r273448)
@@ -4913,6 +4913,12 @@ run_update_beacon(struct ieee80211vap *v
}
setbit(rvp->bo.bo_flags, item);
+ if (rvp->beacon_mbuf == NULL) {
+ rvp->beacon_mbuf = ieee80211_beacon_alloc(vap->iv_bss,
+ &rvp->bo);
+ if (rvp->beacon_mbuf == NULL)
+ return;
+ }
ieee80211_beacon_update(vap->iv_bss, &rvp->bo, rvp->beacon_mbuf, mcast);
i = RUN_CMDQ_GET(&sc->cmdq_store);
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