From: Martin Townsend <martin.townsend@xsilon.com>
Date: Tue, 19 Aug 2014 17:03:28 +0000 (+0200)
Subject: mac802154: fixed potential skb leak with mac802154_parse_frame_start
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=7629d1eaf33672c9d35ba1e2ad12b459d56ca3b1;p=openwrt%2Fstaging%2Fblogic.git

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 3c3069fd6971..4c133239ad39 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;
 	}