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-rw-r--r--drivers/net/wireless/ath5k/phy.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath5k/phy.c b/drivers/net/wireless/ath5k/phy.c
index 248c0f545f24..405195ffb24d 100644
--- a/drivers/net/wireless/ath5k/phy.c
+++ b/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;