cpufreq: OMAP: Check IS_ERR() instead of NULL for omap_device_get_by_hwmod_name

omap_device_get_by_hwmod_name() returns ERR_PTR on error.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>

diff --git a/drivers/cpufreq/omap-cpufreq.c b/drivers/cpufreq/omap-cpufreq.c
index 6e22f4481c07ce370b15fc6ef4ae356dcee00f6a..65f8e9a54975e8274c9de6403718f5ff39ee2e85 100644 (file)
--- a/drivers/cpufreq/omap-cpufreq.c
+++ b/drivers/cpufreq/omap-cpufreq.c
@@ -266,9 +266,9 @@ static int __init omap_cpufreq_init(void)
        }
 
        mpu_dev = omap_device_get_by_hwmod_name("mpu");
-       if (!mpu_dev) {
+       if (IS_ERR(mpu_dev)) {
                pr_warning("%s: unable to get the mpu device\n", __func__);
-               return -EINVAL;
+               return PTR_ERR(mpu_dev);
        }
 
        mpu_reg = regulator_get(mpu_dev, "vcc");