static int speed_meter_handler(sd_event_source *s, uint64_t usec, void *userdata) {
_cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL, *reply = NULL;
- Manager *manager = userdata;
+ Manager *manager = ASSERT_PTR(userdata);
usec_t usec_now;
Link *link;
int r;
assert(s);
- assert(userdata);
r = sd_event_now(sd_event_source_get_event(s), CLOCK_MONOTONIC, &usec_now);
if (r < 0)