netdev - Re: [PATCH net] net: Fix one possible memleak in ip_setup

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Message-Id: <20180415.225556.1579770058342079388.davem@davemloft.net>
Date:   Sun, 15 Apr 2018 22:55:56 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     gfree.wind@....163.com
Cc:     kuznet@....inr.ac.ru, netdev@...r.kernel.org
Subject: Re: [PATCH net] net: Fix one possible memleak in ip_setup_cork

From: gfree.wind@....163.com
Date: Mon, 16 Apr 2018 10:16:45 +0800

> From: Gao Feng <gfree.wind@....163.com>
> 
> It would allocate memory in this function when the cork->opt is NULL. But
> the memory isn't freed if failed in the latter rt check, and return error
> directly. It causes the memleak if its caller is ip_make_skb which also
> doesn't free the cork->opt when meet a error.
> 
> Now move the rt check ahead to avoid the memleak.
> 
> Signed-off-by: Gao Feng <gfree.wind@....163.com>

Why did you post this patch twice?