From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757965Ab3ENPUw (ORCPT ); Tue, 14 May 2013 11:20:52 -0400 Received: from mail-yh0-f50.google.com ([209.85.213.50]:46079 "EHLO mail-yh0-f50.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751528Ab3ENPUv (ORCPT ); Tue, 14 May 2013 11:20:51 -0400 Date: Tue, 14 May 2013 08:20:46 -0700 From: Tejun Heo To: Chen Gang Cc: "linux-kernel@vger.kernel.org" Subject: Re: [PATCH] kernel/workqueue.c: kfree issue, need check flag 'WQ_UNBOUND' when processing failure. Message-ID: <20130514152046.GC6795@mtj.dyndns.org> References: <519236E0.4020301@asianux.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <519236E0.4020301@asianux.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, May 14, 2013 at 09:06:40PM +0800, Chen Gang wrote: > err_destroy: > destroy_workqueue(wq); > + if (flags & WQ_UNBOUND) { > +err_free_wq: > + free_workqueue_attrs(wq->unbound_attrs); > + kfree(wq); > + } Doesn't the above make the code free wq twice on after err_destroy? -- tejun