From: Vladimir Zapolskiy <vz@mleia.com>
Date: Sun, 29 Mar 2015 02:37:20 +0000 (+0300)
Subject: gpio: x-gene: fix devm_ioremap_resource() check
X-Git-Tag: omap-for-v4.2/o2_dc~94^2~18
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=33c07b46774219ceaa2e6650413aa4d2cd6d6dd0;p=pandora-kernel.git

gpio: x-gene: fix devm_ioremap_resource() check

devm_ioremap_resource() returns IOMEM_ERR_PTR() and it never
returns NULL, fix the check to prevent access to invalid
virtual address.

Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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