From d3d0fac57d4679024199706a2aa6d2a4a477bfa3 Mon Sep 17 00:00:00 2001 From: Kent Overstreet Date: Sun, 29 Dec 2024 09:37:15 -0500 Subject: [PATCH] bcachefs: bch2_btree_iter_peek_slot() handles navigating to nonexistent depth Signed-off-by: Kent Overstreet --- fs/bcachefs/btree_iter.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/fs/bcachefs/btree_iter.c b/fs/bcachefs/btree_iter.c index c291d495b85b..367231ab1980 100644 --- a/fs/bcachefs/btree_iter.c +++ b/fs/bcachefs/btree_iter.c @@ -2770,6 +2770,10 @@ struct bkey_s_c bch2_btree_iter_peek_slot(struct btree_iter *iter) goto out_no_locked; } + struct btree_path *path = btree_iter_path(trans, iter); + if (unlikely(!btree_path_node(path, path->level))) + return bkey_s_c_null; + if ((iter->flags & BTREE_ITER_cached) || !(iter->flags & (BTREE_ITER_is_extents|BTREE_ITER_filter_snapshots))) { k = bkey_s_c_null; -- 2.50.1