netdev - Re: [PATCH] IPv6: Fix Smatch warning.

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Message-Id: <20120311.155736.298099455288242780.davem@davemloft.net>
Date:	Sun, 11 Mar 2012 15:57:36 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	lw@...fujitsu.com
Cc:	dan.carpenter@...cle.com, netdev@...r.kernel.org
Subject: Re: [PATCH] IPv6: Fix Smatch warning.

From: Li Wei <lw@...fujitsu.com>
Date: Thu, 08 Mar 2012 08:58:07 +0800

> 
> With commit d6ddef9e641d(IPv6: Fix not join all-router mcast group
> when forwarding set.) I check 'dev' after it's dereference that
> leads to a Smatch complaint:
> 
> net/ipv6/addrconf.c:438 ipv6_add_dev()
> 	 warn: variable dereferenced before check 'dev' (see line 432)
 ...
> Remove the check to avoid the complaint as 'dev' can't be NULL.
> 
> Reported-by: Dan Carpenter <dan.carpenter@...cle.com>
> Signed-off-by: Li Wei <lw@...fujitsu.com>

Applied.

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