- setsockopt (fd, SOL_SOCKET, SO_RCVBUF, &s->recv_buffer_size, sizeof (s->recv_buffer_size));
+ if (setsockopt (fd, SOL_SOCKET, SO_RCVBUF, &s->recv_buffer_size, sizeof (s->recv_buffer_size))) {
+ ff_log_net_error(ctx, AV_LOG_WARNING, "setsockopt(SO_RCVBUF)");
+ }