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>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/cpufreq/omap-cpufreq.c b/drivers/cpufreq/omap-cpufreq.c
index 6e22f4481c07..65f8e9a54975 100644
--- 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");