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From: Peter Korsgaard <jacmet@sunsite.dk>
To: Wang Chen <wangchen@cn.fujitsu.com>
Cc: Jeff Garzik <jgarzik@pobox.com>,
	Herbert Xu <herbert@gondor.apana.org.au>,
	Dustin McIntire <dustin@sensoria.com>,
	davem@davemloft.net, netdev@vger.kernel.org
Subject: Re: [PATCH] SMC911X: Fix using of dereferenced skb after netif_rx
Date: Mon, 03 Dec 2007 14:47:16 +0100	[thread overview]
Message-ID: <87wsrvyjob.fsf@macbook.be.48ers.dk> (raw)
In-Reply-To: <4753D7F3.3050201@cn.fujitsu.com> (Wang Chen's message of "Mon\, 03 Dec 2007 18\:18\:27 +0800")

>>>>> "Wang" == Wang Chen <wangchen@cn.fujitsu.com> writes:

Hi,

 Wang> +	len = skb->len;
 Wang>  	netif_rx(skb);
 dev-> stats.rx_packets++;
 Wang> -	dev->stats.rx_bytes += skb->len;
 Wang> +	dev->stats.rx_bytes += len;

Why not simply update the stats before calling netif_rx as the return
value isn't checked anyway?

-- 
Bye, Peter Korsgaard

  reply	other threads:[~2007-12-03 13:47 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-12-03  7:59 [PATCH] SMC911X: Fix using of dereferenced skb after netif_rx Wang Chen
2007-12-03 10:11 ` Herbert Xu
2007-12-03 10:18   ` Wang Chen
2007-12-03 13:47     ` Peter Korsgaard [this message]
2007-12-04  2:01       ` Wang Chen
2007-12-04  8:49         ` Peter Korsgaard
2007-12-04 19:54         ` Jeff Garzik

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