core: use device_found_to_string_many() result only on success

2018-06-07 13:36:19 +02:00
parent 6e0f878ee2
commit 43ba7d71e5
1 changed files with 2 additions and 2 deletions
@@ -222,8 +222,8 @@ static int device_serialize(Unit *u, FILE *f, FDSet *fds) {

        unit_serialize_item(u, f, "state", device_state_to_string(d->state));

-        (void) device_found_to_string_many(d->found, &s);
-        unit_serialize_item(u, f, "found", s);
+        if (device_found_to_string_many(d->found, &s) >= 0)
+                unit_serialize_item(u, f, "found", s);

        return 0;
 }