set_clr_led
if (set_clr_led(diskNo, led_tok, dtls, 1) != 0)
static int set_clr_led(int diskNo, token_t led_tok, led_dtls_t *dtls, int set);
if (set_clr_led(diskNo, led_tok, dtls, 0) != 0)
r |= set_clr_led(diskNo, LED_PROPS_START + 1 + ledNo,