netdev - [PATCH] ipv6-multicast: Fix memory leak in IPv6 multicast.

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Message-Id: <1316819461-3192-1-git-send-email-greearb@candelatech.com>
Date:	Fri, 23 Sep 2011 16:11:01 -0700
From:	greearb@...delatech.com
To:	netdev@...r.kernel.org
Cc:	Ben Greear <greearb@...delatech.com>
Subject: [PATCH] ipv6-multicast:  Fix memory leak in IPv6 multicast.

From: Ben Greear <greearb@...delatech.com>

If reg_vif_xmit cannot find a routing entry, be sure to
free the skb before returning the error.

Signed-off-by: Ben Greear <greearb@...delatech.com>
---
:100644 100644 82a8099... e9a8df9... M	net/ipv6/ip6mr.c
 net/ipv6/ip6mr.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 82a8099..e9a8df9 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -696,8 +696,10 @@ static netdev_tx_t reg_vif_xmit(struct sk_buff *skb,
 	int err;

 	err = ip6mr_fib_lookup(net, &fl6, &mrt);
-	if (err < 0)
+	if (err < 0) {
+		kfree_skb(skb);
 		return err;
+	}

 	read_lock(&mrt_lock);
 	dev->stats.tx_bytes += skb->len;
-- 
1.7.3.4

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