--- zzzz-none-000/linux-3.10.107/fs/ext4/inode.c	2017-06-27 09:49:32.000000000 +0000
+++ vr9-7490-729/linux-3.10.107/fs/ext4/inode.c	2021-11-10 11:53:56.000000000 +0000
@@ -567,7 +567,7 @@
 		    struct ext4_map_blocks *map, int flags)
 {
 	struct extent_status es;
-	int retval;
+	int retval = 0;
 #ifdef ES_AGGRESSIVE_TEST
 	struct ext4_map_blocks orig_map;