2452 static int timekeeping_validate_timex(const struct __kernel_timex *txc)  in timekeeping_validate_timex()  argument
2454 	if (txc->modes & ADJ_ADJTIME) {  in timekeeping_validate_timex()
2456 		if (!(txc->modes & ADJ_OFFSET_SINGLESHOT))  in timekeeping_validate_timex()
2458 		if (!(txc->modes & ADJ_OFFSET_READONLY) &&  in timekeeping_validate_timex()
2463 		if (txc->modes && !capable(CAP_SYS_TIME))  in timekeeping_validate_timex()
2469 		if (txc->modes & ADJ_TICK &&  in timekeeping_validate_timex()
2470 		    (txc->tick <  900000/USER_HZ ||  in timekeeping_validate_timex()
2471 		     txc->tick > 1100000/USER_HZ))  in timekeeping_validate_timex()
2475 	if (txc->modes & ADJ_SETOFFSET) {  in timekeeping_validate_timex()
2488 		if (txc->time.tv_usec < 0)  in timekeeping_validate_timex()
2491 		if (txc->modes & ADJ_NANO) {  in timekeeping_validate_timex()
2492 			if (txc->time.tv_usec >= NSEC_PER_SEC)  in timekeeping_validate_timex()
2495 			if (txc->time.tv_usec >= USEC_PER_SEC)  in timekeeping_validate_timex()
2504 	if ((txc->modes & ADJ_FREQUENCY) && (BITS_PER_LONG == 64)) {  in timekeeping_validate_timex()
2505 		if (LLONG_MIN / PPM_SCALE > txc->freq)  in timekeeping_validate_timex()
2507 		if (LLONG_MAX / PPM_SCALE < txc->freq)  in timekeeping_validate_timex()
2531  * @txc:	Pointer to kernel_timex structure containing NTP parameters
2533 int do_adjtimex(struct __kernel_timex *txc)  in do_adjtimex()  argument
2542 	ret = timekeeping_validate_timex(txc);  in do_adjtimex()
2545 	add_device_randomness(txc, sizeof(*txc));  in do_adjtimex()
2547 	if (txc->modes & ADJ_SETOFFSET) {  in do_adjtimex()
2550 		delta.tv_sec  = txc->time.tv_sec;  in do_adjtimex()
2551 		delta.tv_nsec = txc->time.tv_usec;  in do_adjtimex()
2552 		if (!(txc->modes & ADJ_NANO))  in do_adjtimex()
2572 		ret = __do_adjtimex(txc, &ts, &tai, &ad);  in do_adjtimex()
2586 	if (txc->modes & (ADJ_FREQUENCY | ADJ_TICK))  in do_adjtimex()