ath9k: restore power state on set channel failure

Not doing so, could cause imbalance in powersave count.

Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index c0f478b0a9a271f29756f1f7ea89c4e7e8d8d7cd..e655f2a907b50d5e741b42855fb4eddc7a654716 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1258,6 +1258,7 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
                if (ath_set_channel(sc, hw, &sc->sc_ah->channels[pos]) < 0) {
                        ath_err(common, "Unable to set channel\n");
                        mutex_unlock(&sc->mutex);
+                       ath9k_ps_restore(sc);
                        return -EINVAL;
                }