From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH v2] bridge: fix locking and memory leak in br_add_bridge Date: Fri, 26 May 2006 19:26:11 -0700 (PDT) Message-ID: <20060526.192611.109883073.davem@davemloft.net> References: <20060525161432.4cbc11ee@griffin.suse.cz> <20060525092331.54f14a57@dxpl.pdx.osdl.net> <20060526110806.1fa49fe1@griffin.suse.cz> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: shemminger@osdl.org, netdev@vger.kernel.org Return-path: Received: from dsl027-180-168.sfo1.dsl.speakeasy.net ([216.27.180.168]:7618 "EHLO sunset.sfo1.dsl.speakeasy.net") by vger.kernel.org with ESMTP id S1751767AbWE0C0C (ORCPT ); Fri, 26 May 2006 22:26:02 -0400 To: jbenc@suse.cz In-Reply-To: <20060526110806.1fa49fe1@griffin.suse.cz> Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org From: Jiri Benc Date: Fri, 26 May 2006 11:08:06 +0200 > On Thu, 25 May 2006 09:23:31 -0700, Stephen Hemminger wrote: > > + unregister_netdevice(dev); > > + err: > > rtnl_unlock(); > > + if (ret) > > + free_netdev(dev); > > return ret; > > I don't think this is correct. netdev_run_todo calls dev->destructor > which is set to free_netdev by br_dev_setup. So you're calling > free_netdev on already freed device. Right, we need a more correct version of this bug fix. :)