From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Date: Mon, 4 May 2015 20:53:28 +0000 (+0200)
Subject: cpuidle: Check the sign of index in cpuidle_reflect()
X-Git-Tag: omap-for-v4.3/legacy-v2-signed~183^2~8^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a802ea96454570f3c526dd9d7ad8c706e570444d;p=pandora-kernel.git

cpuidle: Check the sign of index in cpuidle_reflect()

Avoid calling the governor's ->reflect method if the state index
passed to cpuidle_reflect() is negative.

This allows the analogous check to be dropped from menu_reflect(),
so do that too, and ensures that arbitrary error codes can be
passed to cpuidle_reflect() as the index with no adverse
consequences.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
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