Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 1 Mar 2002 17:16:13 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 1 Mar 2002 17:15:54 -0500 Received: from zero.tech9.net ([209.61.188.187]:52743 "EHLO zero.tech9.net") by vger.kernel.org with ESMTP id ; Fri, 1 Mar 2002 17:15:48 -0500 Subject: Re: [PATCH] spinlock not locked when unlocking in atm_dev_register From: Robert Love To: fisaksen@bewan.com Cc: mitch@sfgoth.com, linux-kernel@vger.kernel.org In-Reply-To: <20020301163936.7FA725F963@postfix2-2.free.fr> In-Reply-To: <20020301163936.7FA725F963@postfix2-2.free.fr> Content-Type: text/plain Content-Transfer-Encoding: 7bit X-Mailer: Evolution/1.0.2 Date: 01 Mar 2002 17:15:48 -0500 Message-Id: <1015020950.11295.25.camel@phantasy> Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2002-03-01 at 12:46, Frode Isaksen wrote: > If you compile the kernel with SMP and spinlock debugging, BUG() will be > called when registering your atm driver, since the "atm_dev_lock" spinlock is > not locked when unlocking it. I don't have any knowledge of the source in question, but wouldn't a possibility (perhaps even more likely) be that you should _add_ the spin_lock instead of remove the spin_unlocks ? Robert Love - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/