1 files changed, 19 insertions, 5 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 95f8b3a3c43d..58038f5cab38 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -472,9 +472,9 @@ static const struct attribute_group hwmon_attrgroup = {
         .attrs = hwmon_attributes,
 };
 
-static void radeon_hwmon_init(struct radeon_device *rdev)
+static int radeon_hwmon_init(struct radeon_device *rdev)
 {
-        int err;
+        int err = 0;
 
         rdev->pm.int_hwmon_dev = NULL;
 
@@ -483,15 +483,26 @@ static void radeon_hwmon_init(struct radeon_device *rdev)
         case THERMAL_TYPE_RV770:
         case THERMAL_TYPE_EVERGREEN:
                 rdev->pm.int_hwmon_dev = hwmon_device_register(rdev->dev);
+                if (IS_ERR(rdev->pm.int_hwmon_dev)) {
+                        err = PTR_ERR(rdev->pm.int_hwmon_dev);
+                        dev_err(rdev->dev,
+                                "Unable to register hwmon device: %d\n", err);
+                        break;
+                }
                 dev_set_drvdata(rdev->pm.int_hwmon_dev, rdev->ddev);
                 err = sysfs_create_group(&rdev->pm.int_hwmon_dev->kobj,
                                          &hwmon_attrgroup);
-                if (err)
-                        DRM_ERROR("Unable to create hwmon sysfs file: %d\n", err);
+                if (err) {
+                        dev_err(rdev->dev,
+                                "Unable to create hwmon sysfs file: %d\n", err);
+                        hwmon_device_unregister(rdev->dev);
+                }
                 break;
         default:
                 break;
         }
+
+        return err;
 }
 
 static void radeon_hwmon_fini(struct radeon_device *rdev)
@@ -540,6 +551,7 @@ void radeon_pm_resume(struct radeon_device *rdev)
 int radeon_pm_init(struct radeon_device *rdev)
 {
         int ret;
+
         /* default to profile method */
         rdev->pm.pm_method = PM_METHOD_PROFILE;
         rdev->pm.profile = PM_PROFILE_DEFAULT;
@@ -561,7 +573,9 @@ int radeon_pm_init(struct radeon_device *rdev)
         }
 
         /* set up the internal thermal sensor if applicable */
-        radeon_hwmon_init(rdev);
+        ret = radeon_hwmon_init(rdev);
+        if (ret)
+                return ret;
         if (rdev->pm.num_power_states > 1) {
                 /* where's the best place to put these? */
                 ret = device_create_file(rdev->dev, &dev_attr_power_profile);