linux-kernel - Re: [PATCH 03/13] ide: Potential null pointer dereference in ide_queue_pc

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Message-ID: <20120809151342.2941f851@pyramind.ukuu.org.uk>
Date:	Thu, 9 Aug 2012 15:13:42 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Marina Makienko <makienko@...ras.ru>
Cc:	"David S. Miller" <davem@...emloft.net>, linux-ide@...r.kernel.org,
	linux-kernel@...r.kernel.org, ldv-project@...ras.ru
Subject: Re: [PATCH 03/13] ide: Potential null pointer dereference in
 ide_queue_pc_tail()

On Thu,  9 Aug 2012 17:55:20 +0400
Marina Makienko <makienko@...ras.ru> 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drivers/ide is obsolete and scheduled for removal. I'm not sure messing
with it is remotely useful at this point ?
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