netdev - Re: [PATCH] netfilter: nf_conntrack

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Date:	Mon, 24 Nov 2008 09:08:57 +0800
From:	Wang Chen <wangchen@...fujitsu.com>
To:	Wu Fengguang <fengguang.wu@...el.com>
CC:	David Miller <davem@...emloft.net>,
	"kaber@...sh.net" <kaber@...sh.net>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [PATCH] netfilter: nf_conntrack_sctp: fix build warning

Wu Fengguang said the following on 2008-11-24 8:06:
> On Sun, Nov 23, 2008 at 11:59:55PM +0200, David Miller wrote:
>> From: Wu Fengguang <fengguang.wu@...el.com>
>> Date: Sun, 23 Nov 2008 19:33:15 +0800
>>
>> linux-net is not the mailing list for network development
>> discussion, it is for user questions.  Post patches and
>> developer questions to netdev@...r.kernel.org instead.
> 
> OK, thanks for the CC!
> 
> Fengguang
> ---
> 
> net/netfilter/nf_conntrack_proto_sctp.c: In function ‘sctp_packet’:
> net/netfilter/nf_conntrack_proto_sctp.c:376: warning: array subscript is above array bounds
> 
> Signed-off-by: Wu Fengguang <wfg@...ux.intel.com>
> ---
> 
> DISCLAIMER: I'm newbie to the code, and this fix could be wrong!
> 
> diff --git a/net/netfilter/nf_conntrack_proto_sctp.c b/net/netfilter/nf_conntrack_proto_sctp.c
> index ae8c260..d31ced4 100644
> --- a/net/netfilter/nf_conntrack_proto_sctp.c
> +++ b/net/netfilter/nf_conntrack_proto_sctp.c
> @@ -373,6 +373,9 @@ static int sctp_packet(struct nf_conn *ct,
>  	}
>  	write_unlock_bh(&sctp_lock);
>  
> +	if (new_state == SCTP_CONNTRACK_MAX)
> +		goto out;
> +

print some debug info would be better?

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