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bcachefs: Fix an error path

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It's possible to get -EIO in __btree_iter_traverse_all() after looping,
with orig_iter NULL.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet
2019-10-02 00:29:37 -04:00
committed by Kent Overstreet
parent 8de819f834
commit ab9ff73322
1 changed files with 5 additions and 2 deletions
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7
fs/bcachefs/btree_iter.c
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@@ -1010,8 +1010,11 @@ static int __btree_iter_traverse_all(struct btree_trans *trans,
if (unlikely(ret == -EIO)) {
trans->error = true;
orig_iter->flags |= BTREE_ITER_ERROR;
orig_iter->l[orig_iter->level].b = BTREE_ITER_NO_NODE_ERROR;
if (orig_iter) {
orig_iter->flags |= BTREE_ITER_ERROR;
orig_iter->l[orig_iter->level].b =
BTREE_ITER_NO_NODE_ERROR;
}
goto out;
}