From ff1aa411ffabee324ca362dd2f178babc0d9df84 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Fri, 23 Jul 2010 01:54:27 +0000 Subject: [PATCH] ath9k: fix another buffer leak in the aggregation code git-svn-id: svn://svn.openwrt.org/openwrt/trunk@22360 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- .../mac80211/patches/520-ath9k_leak_fix.patch | 32 +++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 package/mac80211/patches/520-ath9k_leak_fix.patch diff --git a/package/mac80211/patches/520-ath9k_leak_fix.patch b/package/mac80211/patches/520-ath9k_leak_fix.patch new file mode 100644 index 0000000000..acf7efd87f --- /dev/null +++ b/package/mac80211/patches/520-ath9k_leak_fix.patch @@ -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)