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authorfan.du <fan.du@windriver.com>2013-11-19 16:53:28 +0800
committerDavid S. Miller <davem@davemloft.net>2013-11-19 15:50:57 -0500
commit236c9f84868534c718b6889aa624de64763281f9 (patch)
treef4f6ff344b2ef8e0f77de798733777f037bf78de /net
parent840e93f2eee6ff0553cc2739ebc2395167a729f3 (diff)
downloadlinux-236c9f84868534c718b6889aa624de64763281f9.tar.bz2
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 <fan.du@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/ipv4/ip_vti.c1
1 files changed, 1 insertions, 0 deletions
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;