Haishuang Yan f1f225794a ip_gre: fix potential memory leak in erspan_rcv
[ Upstream commit 50670b6ee9bc4ae8f9ce3112b437987adf273245 ]

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

Fixes: 1a66a836da6 ("gre: add collect_md mode to ERSPAN tunnel")
Cc: William Tu <u9012063@gmail.com>
Signed-off-by: Haishuang Yan <yanhaishuang@cmss.chinamobile.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-03-24 11:01:27 +01:00
..
2017-11-01 12:19:03 +09:00
2017-08-29 15:16:52 -07:00
2017-11-08 14:32:18 +09:00
2018-02-22 15:42:23 +01:00