Re: [PATCH v2,net-next 2/2] ip6_gre: fix potential memory leak in ip6erspan_rcv

[David Miller]

From: Haishuang Yan <yanhaishuang@xxxxxxxxxxxxxxxxxxxx>
Date: Sat, 16 Dec 2017 10:48:39 +0800

> 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@xxxxxxxxx>
> Signed-off-by: Haishuang Yan <yanhaishuang@xxxxxxxxxxxxxxxxxxxx>
> 
> Change since v2:
>   * Rebase on latest master branch.
>   * Correct wrong fix information.

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