static int bus_method_dump_by_fd(sd_bus_message *message, void *userdata, sd_bus_error *error) {
_cleanup_free_ char *dump = NULL;
_cleanup_close_ int fd = -1;
- Manager *m = userdata;
+ Manager *m = ASSERT_PTR(userdata);
int r;
assert(message);
- assert(m);
r = manager_get_dump_string(m, &dump);
if (r < 0)