Commit ff1e417c authored Oct 28, 2014 by Luciano Coelho Committed by Johannes Berg Oct 29, 2014

mac80211: schedule the actual switch of the station before CSA count 0



Due to the time it takes to process the beacon that started the CSA
process, we may be late for the switch if we try to reach exactly
beacon 0.  To avoid that, use count - 1 when calculating the switch time.

Cc: stable@vger.kernel.org
Reported-by: Jouni Malinen <j@w1.fi>
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

parent 84469a45

net/mac80211/mlme.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -1168,7 +1168,8 @@ ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
		ieee80211_queue_work(&local->hw, &ifmgd->chswitch_work);
		else
		mod_timer(&ifmgd->chswitch_timer,
		TU_TO_EXP_TIME(csa_ie.count * cbss->beacon_interval));
		TU_TO_EXP_TIME((csa_ie.count - 1) *
		cbss->beacon_interval));
		}

		static bool

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