From: Heiko Stübner <heiko@sntech.de>
Date: Fri, 14 Oct 2011 16:00:29 +0000 (+0200)
Subject: regulator: Fix possible nullpointer dereference in regulator_enable()
X-Git-Tag: v3.2-rc1~101^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d1685e4e2c3854782272f32b71f2f3eff5c6e0d0;p=pandora-kernel.git

regulator: Fix possible nullpointer dereference in regulator_enable()

In the case where _regulator_enable returns an error it was not checked
if a supplying regulator exists before trying to disable it, leading
to a null pointer-dereference if no supplying regulator existed.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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