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Commit c1227340 authored by Felix Fietkau's avatar Felix Fietkau Committed by John W. Linville
Browse files

ath9k: initialize tx chainmask before testing channel tx power values 



With an uninitialized chainmask, the per-channel power will only contain
the power limits for a single chain instead of the combined tx power.

Signed-off-by: default avatarFelix Fietkau <nbd@openwrt.org>
Cc: stable@kernel.org
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 5bc91db8

drivers/net/wireless/ath/ath9k/init.c

+2 −0
Original line number Diff line number Diff line
@@ -669,8 +669,10 @@ static void ath9k_init_band_txpower(struct ath_softc *sc, int band) 
static void ath9k_init_txpower_limits(struct ath_softc *sc)

{

	struct ath_hw *ah = sc->sc_ah;

	struct ath_common *common = ath9k_hw_common(sc->sc_ah);

	struct ath9k_channel *curchan = ah->curchan;



	ah->txchainmask = common->tx_chainmask;

	if (ah->caps.hw_caps & ATH9K_HW_CAP_2GHZ)

		ath9k_init_band_txpower(sc, IEEE80211_BAND_2GHZ);

	if (ah->caps.hw_caps & ATH9K_HW_CAP_5GHZ)