linux-kernel - Re: [PATCH] cfq_get_queue: fix possible NULL pointer access

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Message-ID: <20071021191618.GU10674@kernel.dk>
Date:	Sun, 21 Oct 2007 21:16:18 +0200
From:	Jens Axboe <jens.axboe@...cle.com>
To:	Oleg Nesterov <oleg@...sign.ru>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] cfq_get_queue: fix possible NULL pointer access

On Sat, Oct 20 2007, Oleg Nesterov wrote:
> cfq_get_queue()->cfq_find_alloc_queue() can fail, check the returned value.

Thanks, applied! No normal IO paths use it without __GFP_WAIT, so it's
not a critical fix. But that could change in the future and then cause
allocation failure, so I'll add the patch.

-- 
Jens Axboe

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