From: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
To: Alexey Khoroshilov <khoroshilov@ispras.ru>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>,
linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org,
ldv-project@linuxtesting.org
Subject: Re: [PATCH] m501fb: don't return zero on failure path in sm501fb_start()
Date: Tue, 02 May 2017 11:29:49 +0000 [thread overview]
Message-ID: <2764518.z4Gir5H5x7@amdc3058> (raw)
In-Reply-To: <1493494419-3917-1-git-send-email-khoroshilov@ispras.ru>
On Saturday, April 29, 2017 09:33:39 PM Alexey Khoroshilov wrote:
> If fbmem iomemory mapping failed, sm501fb_start() breaks off
> initialization, deallocates resources, but returns zero.
> As a result, double deallocation can happen in sm501fb_stop().
>
> Found by Linux Driver Verification project (linuxtesting.org).
>
> Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Patch queued for 4.12, thanks.
Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics
prev parent reply other threads:[~2017-05-02 11:29 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20170429193354epcas1p49764e384389a15121894ef6a032b791f@epcas1p4.samsung.com>
2017-04-29 19:33 ` [PATCH] m501fb: don't return zero on failure path in sm501fb_start() Alexey Khoroshilov
2017-05-02 11:29 ` Bartlomiej Zolnierkiewicz [this message]
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