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authorFelix Fietkau <nbd@openwrt.org>2012-10-08 14:39:33 +0200
committerJohn W. Linville <linville@tuxdriver.com>2012-10-08 15:06:05 -0400
commitc3e7724b6bc2f25e46c38dbe68f09d71fafeafb8 (patch)
treec53c47afd35c31d170f0c9f339178e549883c9c1 /net/mac80211/status.c
parent5bcbc3fcbd88842765aa419934602d3930c6ed3c (diff)
mac80211: use ieee80211_free_txskb to fix possible skb leaks
A few places free skbs using dev_kfree_skb even though they're called after ieee80211_subif_start_xmit might have cloned it for tracking tx status. Use ieee80211_free_txskb here to prevent skb leaks. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Cc: stable@vger.kernel.org Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211/status.c')
-rw-r--r--net/mac80211/status.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/mac80211/status.c b/net/mac80211/status.c
index 2ce89732d0f..3af0cc4130f 100644
--- a/net/mac80211/status.c
+++ b/net/mac80211/status.c
@@ -34,7 +34,7 @@ void ieee80211_tx_status_irqsafe(struct ieee80211_hw *hw,
skb_queue_len(&local->skb_queue_unreliable);
while (tmp > IEEE80211_IRQSAFE_QUEUE_LIMIT &&
(skb = skb_dequeue(&local->skb_queue_unreliable))) {
- dev_kfree_skb_irq(skb);
+ ieee80211_free_txskb(hw, skb);
tmp--;
I802_DEBUG_INC(local->tx_status_drop);
}
@@ -159,7 +159,7 @@ static void ieee80211_handle_filtered_frame(struct ieee80211_local *local,
"dropped TX filtered frame, queue_len=%d PS=%d @%lu\n",
skb_queue_len(&sta->tx_filtered[ac]),
!!test_sta_flag(sta, WLAN_STA_PS_STA), jiffies);
- dev_kfree_skb(skb);
+ ieee80211_free_txskb(&local->hw, skb);
}
static void ieee80211_check_pending_bar(struct sta_info *sta, u8 *addr, u8 tid)