Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754591Ab2B2UBH (ORCPT ); Wed, 29 Feb 2012 15:01:07 -0500 Received: from mail-tul01m020-f174.google.com ([209.85.214.174]:41320 "EHLO mail-tul01m020-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754284Ab2B2UBF (ORCPT ); Wed, 29 Feb 2012 15:01:05 -0500 Authentication-Results: mr.google.com; spf=pass (google.com: domain of larry.finger@gmail.com designates 10.60.7.70 as permitted sender) smtp.mail=larry.finger@gmail.com; dkim=pass header.i=larry.finger@gmail.com Message-ID: <4F4E83FD.3060506@lwfinger.net> Date: Wed, 29 Feb 2012 14:01:01 -0600 From: Larry Finger User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:10.0.2) Gecko/20120215 Thunderbird/10.0.2 MIME-Version: 1.0 To: Max Filippov CC: linux-wireless@vger.kernel.org, linville@tuxdriver.com, chunkeey@web.de, m@bues.ch, linux-kernel@vger.kernel.org, devel@driverdev.osuosl.org Subject: Re: [RFC/RFT 5/5] p54spi: Load firmware from work queue and not from probe routine References: <1329161826-11135-1-git-send-email-Larry.Finger@lwfinger.net> <1329161826-11135-6-git-send-email-Larry.Finger@lwfinger.net> <4F4E4B8B.8090508@lwfinger.net> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 961 Lines: 30 On 02/29/2012 01:54 PM, Max Filippov wrote: >>> Drivers that load firmware from their probe routine have problems with the >>> latest versions of udev as they get timeouts while waiting for user >>> space to start. The problem is fixed by loading the firmware and starting >>> mac80211 from a delayed_work queue. By using this method, most of the >>> original code is preserved. >>> >>> Signed-off-by: Larry Finger >>> --- >>> This one is compile-tested only. >>> >>> Larry >>> --- >> >> >> Any testing done here? > > insmod immediately followed by rmmod causes NULL pointer dereference. > The same always happens on rmmode when the firmware image is absent: Thanks for testing. Larry -- 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/