From mboxrd@z Thu Jan 1 00:00:00 1970 From: "David S. Miller" Subject: Re: dev->xmit_lock_owner? Date: Tue, 18 Feb 2003 16:02:41 -0800 (PST) Sender: linux-net-owner@vger.kernel.org Message-ID: <20030218.160241.10142341.davem@redhat.com> References: <20030218183306.GA31478@gtf.org> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: linux-net@vger.kernel.org, netdev@oss.sgi.com Return-path: To: jgarzik@pobox.com In-Reply-To: <20030218183306.GA31478@gtf.org> List-Id: netdev.vger.kernel.org From: Jeff Garzik Date: Tue, 18 Feb 2003 13:33:06 -0500 It seems that dev_watchdog, among other places, does not assign a value to dev->xmit_lock_owner, when it takes the lock. I think this is a bug, but could be wrong ;-) Not a bug, only pieces of the transmit path need to follow this rule. It's only meant to detect devices which have been chained in a way which forms a loop during transmit.