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Subject[ 23/73] ipv6-multicast: Fix memory leak in IPv6 multicast.
3.0-stable review patch.  If anyone has any objections, please let me know.

------------------


From: Ben Greear <greearb@candelatech.com>

[ Upstream commit 67928c4041606f02725f3c95c4c0404e4532df1b ]

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@candelatech.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
net/ipv6/ip6mr.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -696,8 +696,10 @@ static netdev_tx_t reg_vif_xmit(struct s
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;



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