From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sergei Shtylyov Subject: Re: [PATCH 03/13] ide: Potential null pointer dereference in ide_queue_pc_tail() Date: Fri, 17 Aug 2012 21:00:31 +0400 Message-ID: <502E78AF.7070304@mvista.com> References: <1344520529-19164-1-git-send-email-makienko@ispras.ru> <20120809151342.2941f851@pyramind.ukuu.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mail-lpp01m010-f46.google.com ([209.85.215.46]:36646 "EHLO mail-lpp01m010-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753343Ab2HQRBc (ORCPT ); Fri, 17 Aug 2012 13:01:32 -0400 Received: by lagy9 with SMTP id y9so2222071lag.19 for ; Fri, 17 Aug 2012 10:01:30 -0700 (PDT) In-Reply-To: <20120809151342.2941f851@pyramind.ukuu.org.uk> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Alan Cox Cc: Marina Makienko , "David S. Miller" , linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org, ldv-project@ispras.ru Hello. On 09.08.2012 18:13, Alan Cox wrote: > On Thu, 9 Aug 2012 17:55:20 +0400 > Marina Makienko wrote: >> The function blk_get_request() can return NULL in some cases. There are >> checks on it if function is called with argumetns one of which is >> GFP_ATOMIC/GFP_NOIO/etc. If system couldn't find request >> blk_get_request() return NULL. > drivers/ide is obsolete and scheduled for removal. When it was scheduled for removal? I can't find an entry in Documentation/feature-removal-schedule.txt. And how can that be when there are still many unconverted drivers? > I'm not sure messing with it is remotely useful at this point ? It's being maintained for bug fixes still, AFAIK. MBR, Sergei