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Commit 2554935b authored by Sujith's avatar Sujith Committed by John W. Linville
Browse files

ath9k: Lock config_interface() callback with a mutex 



Signed-off-by: default avatarSujith <Sujith.Manoharan@atheros.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent b238e90e

drivers/net/wireless/ath9k/main.c

+7 −1
Original line number Diff line number Diff line
@@ -2318,6 +2318,8 @@ static int ath9k_config_interface(struct ieee80211_hw *hw, 
	u32 rfilt = 0;

	int error, i;



	mutex_lock(&sc->mutex);



	/* TODO: Need to decide which hw opmode to use for multi-interface

	 * cases */

	if (vif->type == NL80211_IFTYPE_AP &&
@@ -2373,8 +2375,10 @@ static int ath9k_config_interface(struct ieee80211_hw *hw, 
			ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq);



			error = ath_beacon_alloc(sc, 0);

			if (error != 0)

			if (error != 0) {

				mutex_unlock(&sc->mutex);

				return error;

			}



			ath_beacon_config(sc, 0);

		}
@@ -2393,6 +2397,8 @@ static int ath9k_config_interface(struct ieee80211_hw *hw, 
	if (vif->type == NL80211_IFTYPE_ADHOC)

		ath_update_chainmask(sc, 0);



	mutex_unlock(&sc->mutex);



	return 0;

}