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ath9k: Fix memory leak due to failed PAPRD frames
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@atheros.com> Cc: stable@kernel.org Signed-off-by: John W. Linville <linville@tuxdriver.com>
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@ -325,6 +325,8 @@ static bool ath_paprd_send_frame(struct ath_softc *sc, struct sk_buff *skb, int
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{
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struct ieee80211_hw *hw = sc->hw;
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struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
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struct ath_hw *ah = sc->sc_ah;
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struct ath_common *common = ath9k_hw_common(ah);
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struct ath_tx_control txctl;
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int time_left;
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@ -342,8 +344,12 @@ static bool ath_paprd_send_frame(struct ath_softc *sc, struct sk_buff *skb, int
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init_completion(&sc->paprd_complete);
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sc->paprd_pending = true;
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txctl.paprd = BIT(chain);
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if (ath_tx_start(hw, skb, &txctl) != 0)
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if (ath_tx_start(hw, skb, &txctl) != 0) {
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ath_dbg(common, ATH_DBG_XMIT, "PAPRD TX failed\n");
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dev_kfree_skb_any(skb);
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return false;
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}
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time_left = wait_for_completion_timeout(&sc->paprd_complete,
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msecs_to_jiffies(ATH_PAPRD_TIMEOUT));
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