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btrfs-progs: change-csum: add error handling for search old checksums

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Inside delete_old_data_csums(), after calling btrfs_search_slot() there
is no error handling at all.

Fix it by doing a proper error detection and abort the current transaction.

Signed-off-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Qu Wenruo 2024-06-21 14:46:54 +09:30 committed by David Sterba
parent db2cd62f2c
commit 8e8c5543e1
1 changed files with 7 additions and 0 deletions
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7
tune/change-csum.c
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@ -395,6 +395,13 @@ static int delete_old_data_csums(struct btrfs_fs_info *fs_info)
int nr;
ret = btrfs_search_slot(trans, csum_root, &last_key, &path, -1, 1);
if (ret < 0) {
errno = -ret;
error("failed to search the last old csum item: %m");
btrfs_abort_transaction(trans, ret);
return ret;
}
assert(ret > 0);
nr = btrfs_header_nritems(path.nodes[0]);
/* No item left (empty csum tree), exit. */