drm: Don't initialize local ret variable when not needed

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index a177d0a..da737ef 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -1829,7 +1829,7 @@
 	struct drm_display_mode *mode = NULL;
 	struct drm_mode_set set;
 	uint32_t __user *set_connectors_ptr;
-	int ret = 0;
+	int ret;
 	int i;
 
 	if (!drm_core_check_feature(dev, DRIVER_MODESET))
@@ -2248,7 +2248,7 @@
 	struct drm_mode_fb_cmd2 *r = data;
 	struct drm_mode_config *config = &dev->mode_config;
 	struct drm_framebuffer *fb;
-	int ret = 0;
+	int ret;
 
 	if (!drm_core_check_feature(dev, DRIVER_MODESET))
 		return -EINVAL;
@@ -2403,7 +2403,7 @@
 	struct drm_framebuffer *fb;
 	unsigned flags;
 	int num_clips;
-	int ret = 0;
+	int ret;
 
 	if (!drm_core_check_feature(dev, DRIVER_MODESET))
 		return -EINVAL;
@@ -2602,7 +2602,7 @@
 	struct drm_display_mode *mode;
 	struct drm_mode_object *obj;
 	struct drm_mode_modeinfo *umode = &mode_cmd->mode;
-	int ret = 0;
+	int ret;
 
 	if (!drm_core_check_feature(dev, DRIVER_MODESET))
 		return -EINVAL;
@@ -2656,7 +2656,7 @@
 	struct drm_connector *connector;
 	struct drm_display_mode mode;
 	struct drm_mode_modeinfo *umode = &mode_cmd->mode;
-	int ret = 0;
+	int ret;
 
 	if (!drm_core_check_feature(dev, DRIVER_MODESET))
 		return -EINVAL;
@@ -3065,7 +3065,7 @@
 					    struct edid *edid)
 {
 	struct drm_device *dev = connector->dev;
-	int ret = 0, size;
+	int ret, size;
 
 	if (connector->edid_blob_ptr)
 		drm_property_destroy_blob(dev, connector->edid_blob_ptr);