Merge remote-tracking branch 'regmap/fix/async' into tmp

drivers/base/regmap/regmap.c

@@ -1035,6 +1035,8 @@ static int _regmap_raw_write(struct regmap *map, unsigned int reg,
 			kfree(async->work_buf);
 			kfree(async);
 		}
+
+		return ret;
 	}
 
 	trace_regmap_hw_write_start(map->dev, reg,