From: Li RongQing Date: Fri, 20 Dec 2013 09:20:12 +0000 (+0800) Subject: ipv6: release dst properly in ipip6_tunnel_xmit X-Git-Tag: Ubuntu-5.0.0-8.9~12325^2~8 X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=6a9eadccff2926e392173a989042f14c867cffbf;p=mirror_ubuntu-disco-kernel.git ipv6: release dst properly in ipip6_tunnel_xmit if a dst is not attached to anywhere, it should be released before exit ipip6_tunnel_xmit, otherwise cause dst memory leakage. Fixes: 61c1db7fae21 ("ipv6: sit: add GSO/TSO support") Signed-off-by: Li RongQing Acked-by: Eric Dumazet Signed-off-by: David S. Miller --- diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c index a710fdec42d3..c87482252577 100644 --- a/net/ipv6/sit.c +++ b/net/ipv6/sit.c @@ -966,8 +966,10 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb, tos = INET_ECN_encapsulate(tos, ipv6_get_dsfield(iph6)); skb = iptunnel_handle_offloads(skb, false, SKB_GSO_SIT); - if (IS_ERR(skb)) + if (IS_ERR(skb)) { + ip_rt_put(rt); goto out; + } err = iptunnel_xmit(rt, skb, fl4.saddr, fl4.daddr, IPPROTO_IPV6, tos, ttl, df, !net_eq(tunnel->net, dev_net(dev)));