From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wi0-f172.google.com ([209.85.212.172]:38414 "EHLO mail-wi0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751329AbbJBKCk (ORCPT ); Fri, 2 Oct 2015 06:02:40 -0400 Received: by wiclk2 with SMTP id lk2so24157618wic.1 for ; Fri, 02 Oct 2015 03:02:39 -0700 (PDT) Subject: Re: [PATCH 3.1[04]-stable] md: flush ->event_work before stopping array. To: Neil Brown , gregkh@linuxfoundation.org, heinzm@redhat.com References: <14432874412156@kroah.com> <877fn8mwit.fsf@notabene.neil.brown.name> Cc: stable@vger.kernel.org From: Jiri Slaby Message-ID: <560E563D.7020306@suse.cz> Date: Fri, 2 Oct 2015 12:02:37 +0200 MIME-Version: 1.0 In-Reply-To: <877fn8mwit.fsf@notabene.neil.brown.name> Content-Type: text/plain; charset=iso-8859-2 Content-Transfer-Encoding: 7bit Sender: stable-owner@vger.kernel.org List-ID: -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 On 09/30/2015, 05:11 AM, Neil Brown wrote: > > commit ee5d004fd0591536a061451eba2b187092e9127c upstream. > > The 'event_work' worker used by dm-raid may still be running when > the array is stopped. This can result in an oops. > > So flush the workqueue on which it is run after detaching and > before destroying the device. > > Reported-by: Heinz Mauelshagen Signed-off-by: > NeilBrown Cc: stable@vger.kernel.org (2.6.38+ > please delay 2 weeks after -final release) Fixes: 9d09e663d550 > ("dm: raid456 basic support") Applied to 3.12. Thanks! - -- js suse labs -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCAAGBQJWDlY5AAoJEL0lsQQGtHBJHfIP/1Uh6W27/UCBUOi/IRb+tzIv N7Mxa0BfalrxsvVCHx0PoSJtQVqnvE+U0ZuFSnfFMOQNbyXBVYMfM2usJG5V/Us8 lSkctYgxA6wRhZg3TwCFNPs+wKEdqxlFuNL0C3/3esQR2JWA7AuRz8/vZc3wxOgL RmwNictTJhV1B2kmAzViRyqM93H2JObPMtOjoQyEQGfnV6AOzTthjW8v7acAA+i+ 8gTGkP5D17sZv33WaLXoUy/aKbRZtcVNdrIc1V9XD6W3o0EiHUhuUpA+wRz3AXh1 tTyjq09PCz4SWwuUhiYWKfBSpBY6wxHub6+DUHEQbXh55TzJvfBIcnbsK5TOqjpp RuYwqG28D43IHfW/BffsSIQIayXZ/ZfSXtVV+oRkhY4P9MrMAQ7T/WeLhZNJq71S pHxAu5RNPGHtVHs+K/j8M/+f8FJ0hCCOLEJY1La7lt4V3yjMsq5Z5/B9UTHp74EG mZJZfEsypFfGSLM4sT1406d/Dz/cqA82bexNzZgGdMOZ7IT1e9fnQ42AOGWQqJdD uPg5uQgL+mAjzs00oPdnLhdSIVYFQh4FrGz2Fpv1W+m4chtPu5AkUbUJA1tdqVep PZInXfmgdfu05tP2Dqn1d6fe/YTS2W/gBYhDrVVT5Eb/Fk73AXCF1RkJHVMTVXOn bjmtvqpsjQnT5MtSbUq/ =B7xJ -----END PGP SIGNATURE-----