ip6_gre: fix potential memory leak in ip6erspan_rcv
authorHaishuang Yan <yanhaishuang@cmss.chinamobile.com>
Wed, 20 Dec 2017 02:07:01 +0000 (10:07 +0800)
committerDavid S. Miller <davem@davemloft.net>
Wed, 20 Dec 2017 18:56:39 +0000 (13:56 -0500)
commitafb4c97d90e62f33b9f389aa0023f8478bb89db2
tree7186108a24361bf91dca64ae2e4accbd855e1264
parent50670b6ee9bc4ae8f9ce3112b437987adf273245
ip6_gre: fix potential memory leak in ip6erspan_rcv

If md is NULL, tun_dst must be freed, otherwise it will cause memory
leak.

Fixes: ef7baf5e083c ("ip6_gre: add ip6 erspan collect_md mode")
Cc: William Tu <u9012063@gmail.com>
Signed-off-by: Haishuang Yan <yanhaishuang@cmss.chinamobile.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv6/ip6_gre.c