shithub: lwext4

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Clear ext4_dir_idx_root in ext4_dir_dx_init

--- a/lwext4/ext4_dir_idx.c

+++ b/lwext4/ext4_dir_idx.c

@@ -369,6 +369,8 @@

 	struct ext4_dir_idx_root *root = (void *)block.data;

 	struct ext4_dir_idx_root_info *info = &(root->info);

+	memset(root, 0, sizeof(struct ext4_dir_idx_root));

+

 	/* Initialize dot entries */

 	ext4_dir_write_entry(&dir->fs->sb,

 			(struct ext4_dir_entry_ll *)root->dots,

@@ -431,11 +433,8 @@

 		ext4_dir_entry_ll_set_entry_length(block_entry,

 				block_size -

 				sizeof(struct ext4_dir_entry_tail));

-		ext4_dir_entry_ll_set_name_length(sb,

-						  block_entry,

-						  0);

-		ext4_dir_entry_ll_set_inode_type(sb,

-						 block_entry,

+		ext4_dir_entry_ll_set_name_length(sb, block_entry, 0);

+		ext4_dir_entry_ll_set_inode_type(sb, block_entry,

 						 EXT4_DIRENTRY_UNKNOWN);

 		initialize_dir_tail(EXT4_DIRENT_TAIL(block_entry,

@@ -459,8 +458,7 @@

 	struct ext4_dir_idx_entry *entry = root->entries;

 	ext4_dir_dx_entry_set_block(entry, iblock);

-	ext4_dir_set_dx_checksum(dir,

-			(struct ext4_dir_entry_ll *)block.data);

+	ext4_dir_set_dx_checksum(dir, (struct ext4_dir_entry_ll *)block.data);

 	block.dirty = true;

 	return ext4_block_set(dir->fs->bdev, &block);