Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S941870AbcJFKcb (ORCPT ); Thu, 6 Oct 2016 06:32:31 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:50914 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932190AbcJFKc1 (ORCPT ); Thu, 6 Oct 2016 06:32:27 -0400 Date: Thu, 6 Oct 2016 12:17:59 +0200 From: Greg KH To: Aditya Shankar Cc: ganesh.krishna@microchip.com, linux-wireless@vger.kernel.org, devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org, Nicolas.Ferre@microchip.com Subject: Re: [PATCH 2/2] Revert "staging: wilc1000: Replace kthread with workqueue for host interface" Message-ID: <20161006101759.GA7799@kroah.com> References: <20160930101318.GA24973@aditya-ubuntu.local> <20160930132215.GB3016@kroah.com> <20161006152659.15a4c38b1dc8d4f781c20e0a@microchip.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20161006152659.15a4c38b1dc8d4f781c20e0a@microchip.com> User-Agent: Mutt/1.7.0 (2016-08-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1578 Lines: 44 On Thu, Oct 06, 2016 at 03:26:59PM +0530, Aditya Shankar wrote: > On Fri, 30 Sep 2016 15:22:15 +0200 > Greg KH wrote: > > > On Fri, Sep 30, 2016 at 03:43:18PM +0530, Aditya Shankar wrote: > > > This reverts commit 2518ac59eb27 ("staging: wilc1000: Replace kthread > > > with workqueue for host interface") > > > > > > This commit breaks wilc1000 driver init. A crash was seen > > > everytime the wlan interface was brought up and wilc device > > > open was attempted. This change is being reverted until we > > > figure out the problem in this change. The driver is > > > usable now with this change reverted. > > > > > > Signed-off-by: Aditya Shankar > > > > > > Conflicts: > > > drivers/staging/wilc1000/host_interface.c > > > > What is this line doing here? > > > > And shouldn't we add a cc: stable tag as well? Or at the least, put a > > "fixes:" tag to let people know exactly what commit it is fixing (the > > id that it is reverting.) > > > > thanks, > > > > greg k-h > > Apologies for this bad commit message. > > I have an update on this wilc1000 crash issue. I've figured out > the cause for the crash and fixed it. Therefore, > I request you to ignore the patch I sent out to > revert the change causing the regression. The cause was a misplaced > call to destroy workqueue soon after creating it. > With this removed, the issue is not seen. > > I will send out a separate patch to fix the issue. Wonderful, thanks for doing that, I'll drop these and use your fix when you send it. greg k-h