From 236c9f84868534c718b6889aa624de64763281f9 Mon Sep 17 00:00:00 2001 From: "fan.du" Date: Tue, 19 Nov 2013 16:53:28 +0800 Subject: [PATCH] xfrm: Release dst if this dst is improper for vti tunnel After searching rt by the vti tunnel dst/src parameter, if this rt has neither attached to any transformation nor the transformation is not tunnel oriented, this rt should be released back to ip layer. otherwise causing dst memory leakage. Signed-off-by: Fan Du Signed-off-by: David S. Miller --- net/ipv4/ip_vti.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c index 5d9c845d288a..52b802a0cd8c 100644 --- a/net/ipv4/ip_vti.c +++ b/net/ipv4/ip_vti.c @@ -126,6 +126,7 @@ static netdev_tx_t vti_tunnel_xmit(struct sk_buff *skb, struct net_device *dev) if (!rt->dst.xfrm || rt->dst.xfrm->props.mode != XFRM_MODE_TUNNEL) { dev->stats.tx_carrier_errors++; + ip_rt_put(rt); goto tx_error_icmp; } tdev = rt->dst.dev; -- 2.20.1