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[PATCH 9/9] ath9k: Fix memory leak due to failed PAPRD frames

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From: Mohammed Shafi Shajakhan <mshajakhan@xxxxxxxxxxx>

commit 479600777bb588724d044815415f7d708d06644b upstream

free the skb's when the Tx of PAPRD frames fails and also add a debug
message indicating that.

Signed-off-by: Mohammed Shafi Shajakhan <mshajakhan@xxxxxxxxxxx>
Cc: stable@xxxxxxxxxx
Signed-off-by: John W. Linville <linville@xxxxxxxxxxxxx>
---
 drivers/net/wireless/ath/ath9k/main.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 1049313..16b8e36 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -384,8 +384,11 @@ void ath_paprd_calibrate(struct work_struct *work)
 		init_completion(&sc->paprd_complete);
 		ar9003_paprd_setup_gain_table(ah, chain);
 		txctl.paprd = BIT(chain);
-		if (ath_tx_start(hw, skb, &txctl) != 0)
+		if (ath_tx_start(hw, skb, &txctl) != 0) {
+			ath_print(common, ATH_DBG_XMIT, "PAPRD TX failed\n");
+			dev_kfree_skb_any(skb);
 			break;
+		}
 
 		time_left = wait_for_completion_timeout(&sc->paprd_complete,
 				msecs_to_jiffies(ATH_PAPRD_TIMEOUT));
-- 
1.7.4.15.g7811d

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