From: Wang Dongsheng <dongsheng.wang@freescale.com>
Date: Thu, 3 Dec 2015 01:54:12 +0000 (+0800)
Subject: video: fbdev: fsl: Fix kernel crash when diu_ops is not implemented
X-Git-Tag: v3.2.76~68
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4942dccb5d2ca761c835dc2e07d3604f60771473;p=pandora-kernel.git

video: fbdev: fsl: Fix kernel crash when diu_ops is not implemented

commit acfc1cc13fe5bc6d7a10afa624f1e560850ddad3 upstream.

If diu_ops is not implemented on platform, kernel will access a NULL
pointer. We need to check this pointer in DIU initialization.

Signed-off-by: Wang Dongsheng <dongsheng.wang@freescale.com>
Acked-by: Timur Tabi <timur@tabi.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
[bwh: Backported to 3.2: adjust filename]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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