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-rw-r--r--net/mac80211/tx.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 570737df2d22..d9e791d2b543 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1065,6 +1065,7 @@ static bool ieee80211_tx_prep_agg(struct ieee80211_tx_data *tx,
{
bool queued = false;
bool reset_agg_timer = false;
+ struct sk_buff *purge_skb = NULL;
if (test_bit(HT_AGG_STATE_OPERATIONAL, &tid_tx->state)) {
info->flags |= IEEE80211_TX_CTL_AMPDU;
@@ -1106,8 +1107,13 @@ static bool ieee80211_tx_prep_agg(struct ieee80211_tx_data *tx,
info->control.vif = &tx->sdata->vif;
info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING;
__skb_queue_tail(&tid_tx->pending, skb);
+ if (skb_queue_len(&tid_tx->pending) > STA_MAX_TX_BUFFER)
+ purge_skb = __skb_dequeue(&tid_tx->pending);
}
spin_unlock(&tx->sta->lock);
+
+ if (purge_skb)
+ dev_kfree_skb(purge_skb);
}
/* reset session timer */
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