Subject: [patch] mac80211: fix memory leak when defraging packets

From: "John W. Linville" <[email-masked]>
Date: Thu, 17 May 2007 13:23:56 -0400

From: Hong Liu <[email-masked]>

We forget to free all the fragments when defraging them into one packet.

Signed-off-by: Hong Liu <[email-masked]>
Signed-off-by: John W. Linville <[email-masked]>
---

 net/mac80211/ieee80211.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/net/mac80211/ieee80211.c b/net/mac80211/ieee80211.c
index 873ccb0..ed86804 100644
--- a/net/mac80211/ieee80211.c
+++ b/net/mac80211/ieee80211.c
@@ -3412,8 +3412,10 @@ ieee80211_rx_h_defragment(struct ieee80211_txrx_data *rx)
 			return TXRX_DROP;
 		}
 	}
-	while ((skb = __skb_dequeue(&entry->skb_list)))
+	while ((skb = __skb_dequeue(&entry->skb_list))) {
 		memcpy(skb_put(rx->skb, skb->len), skb->data, skb->len);
+		dev_kfree_skb(skb);
+	}
 
 	/* Complete frame has been reassembled - process it now */
 	rx->fragmented = 1;