diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 1198a6b178a18bb06c0589280fa73d72821e8e01..a48b054bfb64d35edd51c185d5d2792bbbbf96ae 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -2306,7 +2306,7 @@ int ext4_alloc_flex_bg_array(struct super_block *sb, ext4_group_t ngroup)
 {
 	struct ext4_sb_info *sbi = EXT4_SB(sb);
 	struct flex_groups **old_groups, **new_groups;
-	int size, i;
+	int size, i, j;
 
 	if (!sbi->s_log_groups_per_flex)
 		return 0;
@@ -2327,8 +2327,8 @@ int ext4_alloc_flex_bg_array(struct super_block *sb, ext4_group_t ngroup)
 					 sizeof(struct flex_groups)),
 					 GFP_KERNEL);
 		if (!new_groups[i]) {
-			for (i--; i >= sbi->s_flex_groups_allocated; i--)
-				kvfree(new_groups[i]);
+			for (j = sbi->s_flex_groups_allocated; j < i; j++)
+				kvfree(new_groups[j]);
 			kvfree(new_groups);
 			ext4_msg(sb, KERN_ERR,
 				 "not enough memory for %d flex groups", size);