From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755904Ab1ATPf4 (ORCPT ); Thu, 20 Jan 2011 10:35:56 -0500 Received: from mail-ww0-f44.google.com ([74.125.82.44]:54275 "EHLO mail-ww0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755794Ab1ATPfx (ORCPT ); Thu, 20 Jan 2011 10:35:53 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=subject:from:to:cc:in-reply-to:references:content-type:date :message-id:mime-version:x-mailer:content-transfer-encoding; b=JwqII8nm54TrFgntrOrX//ZTfIgSfrh7l+QgVFKPGoSM3b1zi7guzYC6bSSuklm7un XzN3GOBsAKdhFVC5k8R/IlMLgNuOB5+PUkqa9u9jXkyaUdDYUprrfNXf6B1sF/frAxg9 qmzK5+vnu/u6OJMYwwtmWsGVdq3uKJK+cVNu0= Subject: Re: [PATCH v3] net: add Faraday FTMAC100 10/100 Ethernet driver From: Eric Dumazet To: Po-Yu Chuang Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, bhutchings@solarflare.com, joe@perches.com, dilinger@queued.net, Po-Yu Chuang In-Reply-To: <1295537418-2057-1-git-send-email-ratbert.chuang@gmail.com> References: <1295256060-2091-1-git-send-email-ratbert.chuang@gmail.com> <1295537418-2057-1-git-send-email-ratbert.chuang@gmail.com> Content-Type: text/plain; charset="UTF-8" Date: Thu, 20 Jan 2011 16:35:46 +0100 Message-ID: <1295537746.2825.298.camel@edumazet-laptop> Mime-Version: 1.0 X-Mailer: Evolution 2.30.3 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Le jeudi 20 janvier 2011 à 23:30 +0800, Po-Yu Chuang a écrit : > + /* push packet to protocol stack */ > + netif_receive_skb(skb); > + > + netdev->stats.rx_packets++; > + netdev->stats.rx_bytes += skb->len; > + > + (*processed)++; > + > + return true; > +} > + Hmm, after call to netif_receive_skb(skb), you are not allowed to access skb anymore (maybe it was freed) netdev->stats.rx_packets++; netdev->stats.rx_bytes += skb->len; netif_receive_skb(skb);