netdev - Re: [Patch net] act_police: fix a crash during removal

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Message-Id: <20160603.192841.407832783155363455.davem@davemloft.net>
Date:	Fri, 03 Jun 2016 19:28:41 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	xiyou.wangcong@...il.com
Cc:	netdev@...r.kernel.org, stasn77@...il.com, jhs@...atatu.com
Subject: Re: [Patch net] act_police: fix a crash during removal

From: Cong Wang <xiyou.wangcong@...il.com>
Date: Wed,  1 Jun 2016 16:15:20 -0700

> The police action is using its own code to initialize tcf hash
> info, which makes us to forgot to initialize a->hinfo correctly.
> Fix this by calling the helper function tcf_hash_create() directly.
> 
> This patch fixed the following crash:
 ...
> Fixes: ddf97ccdd7cb ("net_sched: add network namespace support for tc actions")
> Cc: Jamal Hadi Salim <jhs@...atatu.com>
> Signed-off-by: Cong Wang <xiyou.wangcong@...il.com>

This adds a new warning, please resubmit with this fixed.

net/sched/act_police.c: In function ‘tcf_act_police_locate’:
net/sched/act_police.c:247:3: warning: ‘police’ may be used uninitialized in this function [-Wmaybe-uninitialized]