From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758720Ab0I0Byi (ORCPT ); Sun, 26 Sep 2010 21:54:38 -0400 Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:43115 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757758Ab0I0Byh (ORCPT ); Sun, 26 Sep 2010 21:54:37 -0400 Date: Sun, 26 Sep 2010 18:54:57 -0700 (PDT) Message-Id: <20100926.185457.242128057.davem@davemloft.net> To: segooon@gmail.com Cc: kernel-janitors@vger.kernel.org, grant.likely@secretlab.ca, jpirko@redhat.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree-discuss@lists.ozlabs.org Subject: Re: [PATCH 1/9] ibm_newemac: use free_netdev(netdev) instead of kfree() From: David Miller In-Reply-To: <1285495080-21857-1-git-send-email-segooon@gmail.com> References: <1285495080-21857-1-git-send-email-segooon@gmail.com> X-Mailer: Mew version 6.3 on Emacs 23.1 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Vasiliy Kulikov Date: Sun, 26 Sep 2010 13:58:00 +0400 > Freeing netdev without free_netdev() leads to net, tx leaks. > I might lead to dereferencing freed pointer. > > The semantic match that finds this problem is as follows: > (http://coccinelle.lip6.fr/) > > @@ > struct net_device* dev; > @@ > > -kfree(dev) > +free_netdev(dev) Applied.