mac80211: respond to beacon loss report only once
The driver might keep reporting beacon loss until we
disassociate -- catch that and don't respond to any
subsequent events until the probe is either successful
or we disassociate.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 2806f6a..7835e7d 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1182,6 +1182,17 @@
u.mgd.beacon_loss_work);
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+ /*
+ * The driver has already reported this event and we have
+ * already sent a probe request. Maybe the AP died and the
+ * driver keeps reporting until we disassociate... We have
+ * to ignore that because otherwise we would continually
+ * reset the timer and never check whether we received a
+ * probe response!
+ */
+ if (ifmgd->flags & IEEE80211_STA_PROBEREQ_POLL)
+ return;
+
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
if (net_ratelimit()) {
printk(KERN_DEBUG "%s: driver reports beacon loss from AP %pM "
