drm: Make drm_mode_attachmode() void

drm_mode_attachmode() always returns 0. Change the return type to void.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>

diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 1bcdbf8..b452cc1 100644 (file)
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -2702,21 +2702,17 @@ void drm_fb_release(struct drm_file *priv)
  *
  * Add @mode to @connector's user mode list.
  */
-static int drm_mode_attachmode(struct drm_device *dev,
-                              struct drm_connector *connector,
-                              struct drm_display_mode *mode)
+static void drm_mode_attachmode(struct drm_device *dev,
+                               struct drm_connector *connector,
+                               struct drm_display_mode *mode)
 {
-       int ret = 0;
-
        list_add_tail(&mode->head, &connector->user_modes);
-       return ret;
 }
 
 int drm_mode_attachmode_crtc(struct drm_device *dev, struct drm_crtc *crtc,
                             struct drm_display_mode *mode)
 {
        struct drm_connector *connector;
-       int ret = 0;
        struct drm_display_mode *dup_mode;
        int need_dup = 0;
        list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
@@ -2727,9 +2723,7 @@ int drm_mode_attachmode_crtc(struct drm_device *dev, struct drm_crtc *crtc,
                                dup_mode = drm_mode_duplicate(dev, mode);
                        else
                                dup_mode = mode;
-                       ret = drm_mode_attachmode(dev, connector, dup_mode);
-                       if (ret)
-                               return ret;
+                       drm_mode_attachmode(dev, connector, dup_mode);
                        need_dup = 1;
                }
        }
@@ -2814,7 +2808,7 @@ int drm_mode_attachmode_ioctl(struct drm_device *dev,
 
        drm_crtc_convert_umode(mode, umode);
 
-       ret = drm_mode_attachmode(dev, connector, mode);
+       drm_mode_attachmode(dev, connector, mode);
 out:
        mutex_unlock(&dev->mode_config.mutex);
        return ret;