linux-kernel - Re: [PATCH] video: hgafb: fix a NULL pointer dereference

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Message-ID: <f239940f-d67c-ee8d-7d53-1df5543c9710@samsung.com>
Date:   Mon, 1 Apr 2019 16:41:20 +0200
From:   Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
To:     Kangjie Lu <kjlu@....edu>
Cc:     pakki001@....edu, Ferenc Bakonyi <fero@...ma.obuda.kando.hu>,
        linux-nvidia@...ts.surfsouth.com, dri-devel@...ts.freedesktop.org,
        linux-fbdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] video: hgafb: fix a NULL pointer dereference


On 03/14/2019 08:30 AM, Kangjie Lu wrote:
> When ioremap fails, hga_vram should not be dereferenced. The fix
> check the failure to avoid NULL pointer dereference.
> 
> Signed-off-by: Kangjie Lu <kjlu@....edu>

Patch queued for v5.2 with minor change in the patch summary
("video: hgafb: fix potential NULL pointer dereference"), thanks.

Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics