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Diffstat (limited to 'libbcachefs/backpointers.c')
-rw-r--r--libbcachefs/backpointers.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/libbcachefs/backpointers.c b/libbcachefs/backpointers.c
index a537768c..d74de1df 100644
--- a/libbcachefs/backpointers.c
+++ b/libbcachefs/backpointers.c
@@ -535,7 +535,7 @@ struct bkey_s_c bch2_backpointer_get_key(struct btree_trans *trans,
if (bp.level == c->btree_roots[bp.btree_id].level + 1)
k = bkey_i_to_s_c(&c->btree_roots[bp.btree_id].key);
- if (extent_matches_bp(c, bp.btree_id, bp.level, k, bucket, bp))
+ if (k.k && extent_matches_bp(c, bp.btree_id, bp.level, k, bucket, bp))
return k;
bch2_trans_iter_exit(trans, iter);
@@ -585,12 +585,12 @@ struct btree *bch2_backpointer_get_node(struct btree_trans *trans,
if (IS_ERR(b))
goto err;
- if (extent_matches_bp(c, bp.btree_id, bp.level,
- bkey_i_to_s_c(&b->key),
- bucket, bp))
+ if (b && extent_matches_bp(c, bp.btree_id, bp.level,
+ bkey_i_to_s_c(&b->key),
+ bucket, bp))
return b;
- if (btree_node_will_make_reachable(b)) {
+ if (b && btree_node_will_make_reachable(b)) {
b = ERR_PTR(-BCH_ERR_backpointer_to_overwritten_btree_node);
} else {
backpointer_not_found(trans, bucket, bp_offset, bp,