diff --git a/[refs] b/[refs]
index b95aa143880d..c44ff1385f02 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 6844e63a9458d15b4437aa467c99128d994b0f6c
+refs/heads/master: e71c9fac316221a4594f3bd58c2d30ada0cabaf6
diff --git a/trunk/drivers/net/wireless/ath5k/phy.c b/trunk/drivers/net/wireless/ath5k/phy.c
index 248c0f545f24..405195ffb24d 100644
--- a/trunk/drivers/net/wireless/ath5k/phy.c
+++ b/trunk/drivers/net/wireless/ath5k/phy.c
@@ -1178,6 +1178,9 @@ static int ath5k_hw_rf5112_rfregs(struct ath5k_hw *ah,
 			(channel->center_freq >= 5260 ? 1 :
 			    (channel->center_freq > 4000 ? 0 : -1)));
 
+		if (obdb == -1)
+			return -EINVAL;
+
 		if (!ath5k_hw_rfregs_op(rf, ah->ah_offset[6],
 				ee->ee_ob[ee_mode][obdb], 3, 279, 0, true))
 			return -EINVAL;