tree a3b7388431138984c5d6a9d8fa2f242bf8e853f7
parent be56a099e0f990532e10c940a3778303cc5a0d91
author Haishuang Yan <yanhaishuang@cmss.chinamobile.com> 1497493769 +0800
committer David S. Miller <davem@davemloft.net> 1497628889 -0400

ip_tunnel: fix potential issue in ip_tunnel_rcv

When ip_tunnel_rcv fails, the tun_dst won't be freed, so call
dst_release to free it in error code path.

Fixes: 2e15ea390e6f ("ip_gre: Add support to collect tunnel metadata.")
Acked-by: Eric Dumazet <edumazet@google.com>
Acked-by: Pravin B Shelar <pshelar@ovn.org>
Tested-by: Zhang Shengju <zhangshengju@cmss.chinamobile.com>
Signed-off-by: Haishuang Yan <yanhaishuang@cmss.chinamobile.com>
Signed-off-by: David S. Miller <davem@davemloft.net>