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

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Message-Id: <20120809.144904.985433220461322851.davem@davemloft.net>
Date:	Thu, 09 Aug 2012 14:49:04 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	alan@...rguk.ukuu.org.uk
Cc:	makienko@...ras.ru, 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()

From: Alan Cox <alan@...rguk.ukuu.org.uk>
Date: Thu, 9 Aug 2012 15:13:42 +0100

> 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 drivers/ide is obsolete and scheduled for removal.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 ?

Agreed, I'm not applying this stuff.
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