bcachefs: Fix deref of error pointer

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

diff --git a/fs/bcachefs/str_hash.h b/fs/bcachefs/str_hash.h
index 31e55acbbeadc9f88ba90cd848468060d10bc797..a81fc3596fc1016bea0dbde95fae9243bd857729 100644 (file)
--- a/fs/bcachefs/str_hash.h
+++ b/fs/bcachefs/str_hash.h
@@ -251,9 +251,10 @@ int bch2_hash_set(struct btree_trans *trans,
        if (!ret)
                ret = -ENOSPC;
 out:
-       if (slot)
+       if (!IS_ERR_OR_NULL(slot))
                bch2_trans_iter_put(trans, slot);
-       bch2_trans_iter_put(trans, iter);
+       if (!IS_ERR_OR_NULL(iter))
+               bch2_trans_iter_put(trans, iter);
 
        return ret;
 found: