From 7629d1eaf33672c9d35ba1e2ad12b459d56ca3b1 Mon Sep 17 00:00:00 2001
From: Martin Townsend <martin.townsend@xsilon.com>
Date: Tue, 19 Aug 2014 19:03:28 +0200
Subject: mac802154: fixed potential skb leak with mac802154_parse_frame_start

This patch fix a memory leak if received frame was not able to parse.

Signed-off-by: Martin Townsend <martin.townsend@xsilon.com>
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

diff --git a/net/mac802154/wpan.c b/net/mac802154/wpan.c
index 3c3069f..4c13323 100644
--- a/net/mac802154/wpan.c
+++ b/net/mac802154/wpan.c
@@ -573,6 +573,7 @@ void mac802154_wpans_rx(struct mac802154_priv *priv, struct sk_buff *skb)
 	ret = mac802154_parse_frame_start(skb, &hdr);
 	if (ret) {
 		pr_debug("got invalid frame\n");
+		kfree_skb(skb);
 		return;
 	}
 
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