From 5336be8416a71b5568d2cf54a2f2066abe9f2a53 Mon Sep 17 00:00:00 2001
From: Pankaj Dubey <pankaj.dubey@samsung.com>
Date: Sat, 27 Sep 2014 09:47:55 +0530
Subject: [PATCH] regmap: fix NULL pointer dereference in _regmap_write/read

If LOG_DEVICE is defined and map->dev is NULL it will lead to NULL
pointer dereference. This patch fixes this issue by adding check for
dev->NULL in all such places in regmap.c

Signed-off-by: Pankaj Dubey <pankaj.dubey@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
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