From: Frans Klaver <fransklaver@gmail.com>
Date: Wed, 17 Sep 2014 21:47:26 +0000 (+0200)
Subject: eeepc-laptop: check proper return values in get_cpufv
X-Git-Tag: fixes-against-v3.18-rc2~108^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a5c155b16f4c170d96d41fc6066f245f2d53604d;p=pandora-kernel.git

eeepc-laptop: check proper return values in get_cpufv

In get_cpufv the return value of get_acpi is stored in the cpufv struct.
Right before this value is checked for errors, it is and'ed with 0xff.
This means c->cur can never be less than zero. Besides that, the actual
error value is ignored.

c->num is also and'ed with 0xff, which means we can ignore values below
zero.

Check the result of get_acpi() right away. While at it, propagate the
error if we got one.

Signed-off-by: Frans Klaver <fransklaver@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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