bcachefs: Fix assertion in topology repair

If we were at the end of the node, when breaking out of the loop we'd
pop the assertion on line 446 when cur wasn't NULL.

Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>

diff --git a/fs/bcachefs/btree_gc.c b/fs/bcachefs/btree_gc.c
index 123644ffe93c3421ab50b3efb933711dbd755955..2de5d97a9d2c6d6ecea9f180552e483addd91630 100644 (file)
--- a/fs/bcachefs/btree_gc.c
+++ b/fs/bcachefs/btree_gc.c
@@ -395,6 +395,7 @@ again:
                        bch2_btree_node_evict(c, cur_k.k);
                        ret = bch2_journal_key_delete(c, b->c.btree_id,
                                                      b->c.level, cur_k.k->k.p);
+                       cur = NULL;
                        if (ret)
                                break;
                        continue;
@@ -413,6 +414,7 @@ again:
                        bch2_btree_node_evict(c, cur_k.k);
                        ret = bch2_journal_key_delete(c, b->c.btree_id,
                                                      b->c.level, cur_k.k->k.p);
+                       cur = NULL;
                        if (ret)
                                break;
                        continue;