ip_gre: fix potential memory leak in erspan_rcv

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

Fixes: 1a66a836da ("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>

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Haishuang Yan 2017-12-20 10:07:00 +08:00 • committed by David S. Miller

parent a7343211f0

commit 50670b6ee9

1 changed files with 3 additions and 1 deletions

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net/ipv4/ip_gre.c

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