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SubjectRe: [PATCH v2,net-next 2/2] ip6_gre: fix potential memory leak in ip6erspan_rcv
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From: Haishuang Yan <yanhaishuang@cmss.chinamobile.com>
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@gmail.com>
> Signed-off-by: Haishuang Yan <yanhaishuang@cmss.chinamobile.com>
>
> Change since v2:
> * Rebase on latest master branch.
> * Correct wrong fix information.

Likewise, please place the tags at the end of the commit message.

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