Re: [PATCH 3/3] Fix use of skb after netif_rx

From: Wang Chen
Date: Mon Dec 10 2007 - 02:38:24 EST


Julia Lawall said the following on 2007-12-10 15:18:
>> 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;
>> ...
>
> Actually, I found this one as well, but I wasn't sure what to do with it.
> This one is a bit more complicated because the line with the call to
> netif_rx is in an else branch if the #ifdef above is taken. So I wasn't
> sure what would be the best way to solve the problem in this case.
>
> Perhaps the solution would be just to save the value of the len field
> in a local variable in this case, as you proposed in your original patch.
>

I agree.

BTW, please send driver patch to Jeff Garzik <jgarzik@xxxxxxxxx> and
cc to netdev@xxxxxxxxxxxxxxxx

--
WCN

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