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wl1271: Fix memory leak in firmware crash scenario

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The driver tx-queue flush operation leaks broadcast-frames. This leak occurs
if the driver is shut down while there are frames in TX buffers (such as in
a firmware crash scenario.) Fix the leak.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Teemu Paasikivi <ext-teemu.3.paasikivi@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Juuso Oikarinen 2010-03-26 12:53:27 +02:00 committed by John W. Linville
parent 64e29e447e
commit cbf7f3058e
1 changed files with 7 additions and 3 deletions
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10
drivers/net/wireless/wl12xx/wl1271_tx.c
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@ -426,8 +426,10 @@ void wl1271_tx_flush(struct wl1271 *wl)
wl1271_debug(DEBUG_TX, "flushing skb 0x%p", skb);
if (!(info->flags & IEEE80211_TX_CTL_REQ_TX_STATUS))
continue;
if (!(info->flags & IEEE80211_TX_CTL_REQ_TX_STATUS)) {
kfree_skb(skb);
continue;
}
ieee80211_tx_status(wl->hw, skb);
}
@ -437,8 +439,10 @@ void wl1271_tx_flush(struct wl1271 *wl)
skb = wl->tx_frames[i];
info = IEEE80211_SKB_CB(skb);
if (!(info->flags & IEEE80211_TX_CTL_REQ_TX_STATUS))
if (!(info->flags & IEEE80211_TX_CTL_REQ_TX_STATUS)) {
kfree_skb(skb);
continue;
}
ieee80211_tx_status(wl->hw, skb);
wl->tx_frames[i] = NULL;