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ath9k: fix another buffer leak in the aggregation code

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@22360 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2010-07-23 01:54:27 +00:00
parent b024d6ea6b
commit cbab8bf1df
1 changed files with 32 additions and 0 deletions
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32
package/mac80211/patches/520-ath9k_leak_fix.patch Normal file
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@ -0,0 +1,32 @@
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -518,6 +518,14 @@ static void ath_tx_complete_aggr(struct
bf = bf_next;
}
+ /* prepend un-acked frames to the beginning of the pending frame queue */
+ if (!list_empty(&bf_pending)) {
+ spin_lock_bh(&txq->axq_lock);
+ list_splice(&bf_pending, &tid->buf_q);
+ ath_tx_queue_tid(txq, tid);
+ spin_unlock_bh(&txq->axq_lock);
+ }
+
if (tid->state & AGGR_CLEANUP) {
if (tid->baw_head == tid->baw_tail) {
tid->state &= ~AGGR_ADDBA_COMPLETE;
@@ -530,14 +538,6 @@ static void ath_tx_complete_aggr(struct
return;
}
- /* prepend un-acked frames to the beginning of the pending frame queue */
- if (!list_empty(&bf_pending)) {
- spin_lock_bh(&txq->axq_lock);
- list_splice(&bf_pending, &tid->buf_q);
- ath_tx_queue_tid(txq, tid);
- spin_unlock_bh(&txq->axq_lock);
- }
-
rcu_read_unlock();
if (needreset)