linux-kernel - Re: [PATCH 3/3] Fix use of skb after netif

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Message-ID: <475CA464.1060408@cn.fujitsu.com>
Date:	Mon, 10 Dec 2007 10:28:52 +0800
From:	Wang Chen <wangchen@...fujitsu.com>
To:	Julia Lawall <julia@...u.dk>
CC:	fpavlic@...ibm.com, linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org
Subject: Re: [PATCH 3/3] Fix use of skb after netif_rx

Julia Lawall said the following on 2007-12-10 4:05:
> From: Julia Lawall <julia@...u.dk>
> // <smpl>
> @@
> expression skb, e,e1;
> @@
> 
> (
>  netif_rx(skb);
> |
>  netif_rx_ni(skb);
> )
>   ... when != skb = e
> (
>   skb = e1
> |
> * skb
> )
> // </smpl>
> 
> diff a/drivers/s390/net/ctcmain.c b/drivers/s390/net/ctcmain.c
> diff a/drivers/s390/net/netiucv.c b/drivers/s390/net/netiucv.c

Julia, seems that your semantic patch misses following place.

drivers/s390/net/qeth_main.c:2733
...
#endif
			rxrc = netif_rx(skb);
		card->dev->last_rx = jiffies;
		card->stats.rx_packets++;
		card->stats.rx_bytes += skb->len;
...

--
WCN

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