Commit 1e929199 authored Mar 04, 2014 by Emmanuel Grumbach

iwlwifi: mvm: don't WARN when statistics are handled late

Since the statistics handler is asynchrous, it can very well
be that we will handle the statistics (hence the RSSI
fluctuation) when we already disassociated.
Don't WARN on this case.

This solves: https://bugzilla.redhat.com/show_bug.cgi?id=1071998



Cc: <stable@vger.kernel.org> [3.10+]
Fixes: 2b76ef13 ("iwlwifi: mvm: implement reduced Tx power")
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>

parent 143582c6

drivers/net/wireless/iwlwifi/mvm/bt-coex.c

+5 −2

Original line number	Diff line number	Diff line
		@@ -872,8 +872,11 @@ void iwl_mvm_bt_rssi_event(struct iwl_mvm mvm, struct ieee80211_vif vif,

		lockdep_assert_held(&mvm->mutex);

		/* Rssi update while not associated ?! */
		if (WARN_ON_ONCE(mvmvif->ap_sta_id == IWL_MVM_STATION_COUNT))
		/*
		* Rssi update while not associated - can happen since the statistics
		* are handled asynchronously
		*/
		if (mvmvif->ap_sta_id == IWL_MVM_STATION_COUNT)
		return;

		/* No BT - reports should be disabled */