From: Pankaj Dubey <pankaj.dubey@samsung.com>
Date: Sat, 27 Sep 2014 04:17:55 +0000 (+0530)
Subject: regmap: fix NULL pointer dereference in _regmap_write/read
X-Git-Tag: fixes-for-v3.18-merge-window~32^2~4^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5336be8416a71b5568d2cf54a2f2066abe9f2a53;p=pandora-kernel.git

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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