linux-kernel - Re: [PATCH] dm-log-userspace: fix memory leak on failure path in dm_ulog_tfr

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Message-Id: <FEE6E0C5-985D-4DF1-AC42-8F4E0849195A@redhat.com>
Date:	Thu, 2 Oct 2014 11:57:31 -0500
From:	Brassow Jonathan <jbrassow@...hat.com>
To:	Alexey Khoroshilov <khoroshilov@...ras.ru>
Cc:	Alasdair Kergon <agk@...hat.com>,
	Mike Snitzer <snitzer@...hat.com>, dm-devel@...hat.com,
	Neil Brown <neilb@...e.de>, linux-raid@...r.kernel.org,
	linux-kernel@...r.kernel.org, ldv-project@...uxtesting.org
Subject: Re: [PATCH] dm-log-userspace: fix memory leak on failure path in dm_ulog_tfr_init()

On Oct 1, 2014, at 3:58 PM, Alexey Khoroshilov <khoroshilov@...ras.ru> wrote:

> If cn_add_callback() fails in dm_ulog_tfr_init(), it does not
> deallocate prealloced memory but calls cn_del_callback().
> It looks like a misprint.
> 
> Found by Linux Driver Verification project (linuxtesting.org).
> 
> Signed-off-by: Alexey Khoroshilov <khoroshilov@...ras.ru>

Signed-off-by: Jonathan Brassow <jbrassow@...hat.com>

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