drm/msm: Use list_move_tail instead of list_del/list_add_tail in msm_gem.c

Using list_move_tail() instead of list_del() + list_add_tail() in msm_gem.c.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Baokun Li <libaokun1@huawei.com>
Link: https://lore.kernel.org/r/20210609072838.1369371-1-libaokun1@huawei.comReviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>

drivers/gpu/drm/msm/msm_gem.c

@@ -792,8 +792,7 @@ void msm_gem_active_get(struct drm_gem_object *obj, struct msm_gpu *gpu)
 		mutex_lock(&priv->mm_lock);
 		if (msm_obj->evictable)
 			mark_unevictable(msm_obj);
-		list_del(&msm_obj->mm_list);
-		list_add_tail(&msm_obj->mm_list, &gpu->active_list);
+		list_move_tail(&msm_obj->mm_list, &gpu->active_list);
 		mutex_unlock(&priv->mm_lock);
 	}
 }