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-rw-r--r--extmod/modbtree.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/extmod/modbtree.c b/extmod/modbtree.c
index 0a0c5271c0..6613c06c88 100644
--- a/extmod/modbtree.c
+++ b/extmod/modbtree.c
@@ -331,6 +331,9 @@ STATIC mp_obj_t mod_btree_open(size_t n_args, const mp_obj_t *pos_args, mp_map_t
MP_ARRAY_SIZE(allowed_args), allowed_args, (mp_arg_val_t*)&args);
DB *db = __bt_open(fname, /*flags*/O_CREAT | O_RDWR, /*mode*/0770, /*openinfo*/NULL, /*dflags*/0);
+ if (db == NULL) {
+ nlr_raise(mp_obj_new_exception_arg1(&mp_type_OSError, MP_OBJ_NEW_SMALL_INT(errno)));
+ }
return MP_OBJ_FROM_PTR(btree_new(db));
}
STATIC MP_DEFINE_CONST_FUN_OBJ_KW(mod_btree_open_obj, 1, mod_btree_open);