ath9k: Fix potential use-after-free.

The ath_debug_stat_tx references bf->bf_mpdu, which
is the skb consumed by 	ath_tx_complete.  So, call
the ath_debug_stat_tx method first.

Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 9a11099dd86a..9b17108adc7c 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -1924,8 +1924,8 @@ static void ath_tx_complete_buf(struct ath_softc *sc, struct ath_buf *bf,
                 else
                         complete(&sc->paprd_complete);
         } else {
-                ath_tx_complete(sc, skb, bf->aphy, tx_flags);
                 ath_debug_stat_tx(sc, txq, bf, ts);
+                ath_tx_complete(sc, skb, bf->aphy, tx_flags);
         }
 
         /*