drm: simplify drm_sysfs_destroy() via IS_ERR_OR_NULL()
[firefly-linux-kernel-4.4.55.git] / drivers / gpu / drm / drm_sysfs.c
index 0f6cd33b531f104f5094513a0992eb99361e65b3..3f66cb07848e381af8c30b7af2add9aee41427e8 100644 (file)
@@ -156,7 +156,7 @@ err_out:
  */
 void drm_sysfs_destroy(void)
 {
-       if ((drm_class == NULL) || (IS_ERR(drm_class)))
+       if (IS_ERR_OR_NULL(drm_class))
                return;
        class_remove_file(drm_class, &class_attr_version.attr);
        class_destroy(drm_class);