drm/qxl: squash lines for simple wrapper functions

Remove unneeded variables and assignments.
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1473863952-7658-5-git-send-email-yamada.masahiro@socionext.com

drivers/gpu/drm/qxl/qxl_draw.c

@@ -57,11 +57,8 @@ static struct qxl_rect *drawable_set_clipping(struct qxl_device *qdev,
 static int
 alloc_drawable(struct qxl_device *qdev, struct qxl_release **release)
 {
-	int ret;
-	ret = qxl_alloc_release_reserved(qdev, sizeof(struct qxl_drawable),
-					 QXL_RELEASE_DRAWABLE, release,
-					 NULL);
-	return ret;
+	return qxl_alloc_release_reserved(qdev, sizeof(struct qxl_drawable),
+					  QXL_RELEASE_DRAWABLE, release, NULL);
 }
 
 static void

drivers/gpu/drm/qxl/qxl_release.c

@@ -203,12 +203,9 @@ qxl_release_free(struct qxl_device *qdev,
 static int qxl_release_bo_alloc(struct qxl_device *qdev,
 				struct qxl_bo **bo)
 {
-	int ret;
 	/* pin releases bo's they are too messy to evict */
-	ret = qxl_bo_create(qdev, PAGE_SIZE, false, true,
-			    QXL_GEM_DOMAIN_VRAM, NULL,
-			    bo);
-	return ret;
+	return qxl_bo_create(qdev, PAGE_SIZE, false, true,
+			     QXL_GEM_DOMAIN_VRAM, NULL, bo);
 }
 
 int qxl_release_list_add(struct qxl_release *release, struct qxl_bo *bo)