unimore/kernel-hacking-2024-linux-steffo
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bcachefs: Fix error path in check_dirent_inode_dirent()

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fsck_err() jumps to the fsck_err label when bailing out; need to make
sure bp_iter was initialized...

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2024-09-23 18:41:46 -04:00
parent 0696a18a8c
commit 18c520f408
1 changed files with 2 additions and 3 deletions
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5
fs/bcachefs/fsck.c
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@ -1758,6 +1758,7 @@ static int check_dirent_inode_dirent(struct btree_trans *trans,
{
struct bch_fs *c = trans->c;
struct printbuf buf = PRINTBUF;
struct btree_iter bp_iter = { NULL };
int ret = 0;
if (inode_points_to_dirent(target, d))
@ -1770,7 +1771,7 @@ static int check_dirent_inode_dirent(struct btree_trans *trans,
prt_printf(&buf, "\n "),
bch2_inode_unpacked_to_text(&buf, target),
buf.buf)))
goto out_noiter;
goto err;
if (!target->bi_dir &&
!target->bi_dir_offset) {
@ -1779,7 +1780,6 @@ static int check_dirent_inode_dirent(struct btree_trans *trans,
return __bch2_fsck_write_inode(trans, target, target_snapshot);
}
struct btree_iter bp_iter = { NULL };
struct bkey_s_c_dirent bp_dirent = dirent_get_by_pos(trans, &bp_iter,
SPOS(target->bi_dir, target->bi_dir_offset, target_snapshot));
ret = bkey_err(bp_dirent);
@ -1840,7 +1840,6 @@ static int check_dirent_inode_dirent(struct btree_trans *trans,
err:
fsck_err:
bch2_trans_iter_exit(trans, &bp_iter);
out_noiter:
printbuf_exit(&buf);
bch_err_fn(c, ret);
return ret;