From: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Date: Mon, 11 Jun 2012 06:49:30 +0000 (+0530)
Subject: ath9k: restore power state on set channel failure
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=8389fb3fd7c0bbe3289578f698917f594e0b6fc9;p=openwrt%2Fstaging%2Fblogic.git

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 c0f478b0a9a2..e655f2a907b5 100644
--- 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;
 		}