3.2-stable review patch. If anyone has any objections, please let me know.
------------------ From: Nicolas Cavallari <[email protected]> commit 992d52529d7840236d3059b51c15d5eb9e81a869 upstream. On Access Point mode, when transmitting a packet, if the destination station is in powersave mode, we abort transmitting the packet to the device queue, but we do not reclaim the allocated memory. Given enough packets, we can go in a state where there is no packet on the device queue, but we think the device has no memory left, so no packet gets transmitted, connections breaks and the AP stops working. This undo the allocation done in the TX path when the station is in power-save mode. Signed-off-by: Nicolas Cavallari <[email protected]> Acked-by: Christian Lamparter <[email protected]> Signed-off-by: John W. Linville <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- drivers/net/wireless/ath/carl9170/tx.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/net/wireless/ath/carl9170/tx.c +++ b/drivers/net/wireless/ath/carl9170/tx.c @@ -1251,6 +1251,7 @@ static bool carl9170_tx_ps_drop(struct a atomic_dec(&ar->tx_ampdu_upload); tx_info->flags |= IEEE80211_TX_STAT_TX_FILTERED; + carl9170_release_dev_space(ar, skb); carl9170_tx_status(ar, skb, false); return true; } -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
