Commit fcba0120 authored by Josef Bacik's avatar Josef Bacik Committed by David Sterba
Browse files

btrfs: remove BUG_ON() in find_parent_nodes() 



We search for an extent entry with .offset = -1, which shouldn't be a
thing, but corruption happens.  Add an ASSERT() for the developers,
return -EUCLEAN for mortals.

Signed-off-by: default avatarJosef Bacik <josef@toxicpanda.com>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent e0b7661d

fs/btrfs/backref.c

+6 −1
Original line number Diff line number Diff line
@@ -1210,7 +1210,12 @@ static int find_parent_nodes(struct btrfs_trans_handle *trans, 
	ret = btrfs_search_slot(NULL, root, &key, path, 0, 0);

	if (ret < 0)

		goto out;

	BUG_ON(ret == 0);

	if (ret == 0) {

		/* This shouldn't happen, indicates a bug or fs corruption. */

		ASSERT(ret != 0);

		ret = -EUCLEAN;

		goto out;

	}



	if (trans && likely(trans->type != __TRANS_DUMMY) &&

	    time_seq != BTRFS_SEQ_LAST) {