netdev - Re: [patch] netfilter: default to NF_DROP in sip_help

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Message-ID: <4C3DAC25.3050401@trash.net>
Date:	Wed, 14 Jul 2010 14:23:01 +0200
From:	Patrick McHardy <kaber@...sh.net>
To:	Simon Horman <horms@...ge.net.au>
CC:	netfilter-devel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [patch] netfilter: default to NF_DROP in sip_help_tcp()

On 10.07.2010 05:16, Simon Horman wrote:
> I initially noticed this because of the compiler warning below, but it does
> seem to be a valid concern in the case where ct_sip_get_header() returns 0
> in the first iteration of the while loop.
> 
> net/netfilter/nf_conntrack_sip.c: In function 'sip_help_tcp':
> net/netfilter/nf_conntrack_sip.c:1379: warning: 'ret' may be used uninitialized in this function

Thanks Simon. I've applied the patch, but changed NF_DROP to
NF_ACCEPT since we should avoid dropping packets with unknown
contents (not SIP) if possible.
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