exynos-cpufreq: fix false return check from "regulator_set_voltage"

Currently, code checks false return value from "regulator_set_voltage"
to show failure message. Modify the code to check proper return
value from "regulator_set_voltage".

Signed-off-by: Manish Badarkhe <badarkhe.manish@gmail.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/cpufreq/exynos-cpufreq.c b/drivers/cpufreq/exynos-cpufreq.c
index b96fcc847636dba107eec92dd9860af6239d408f..3e4af676f43d79fba9c704049858e5c7026f5dac 100644 (file)
--- a/drivers/cpufreq/exynos-cpufreq.c
+++ b/drivers/cpufreq/exynos-cpufreq.c
@@ -135,7 +135,7 @@ post_notify:
        if ((freqs.new < freqs.old) ||
           ((freqs.new > freqs.old) && safe_arm_volt)) {
                /* down the voltage after frequency change */
-               regulator_set_voltage(arm_regulator, arm_volt,
+               ret = regulator_set_voltage(arm_regulator, arm_volt,
                                arm_volt);
                if (ret) {
                        pr_err("%s: failed to set cpu voltage to %d\n",