2342 static int timekeeping_validate_timex(const struct __kernel_timex *txc)  in timekeeping_validate_timex()  argument
2344 	if (txc->modes & ADJ_ADJTIME) {  in timekeeping_validate_timex()
2346 		if (!(txc->modes & ADJ_OFFSET_SINGLESHOT))  in timekeeping_validate_timex()
2348 		if (!(txc->modes & ADJ_OFFSET_READONLY) &&  in timekeeping_validate_timex()
2353 		if (txc->modes && !capable(CAP_SYS_TIME))  in timekeeping_validate_timex()
2359 		if (txc->modes & ADJ_TICK &&  in timekeeping_validate_timex()
2360 		    (txc->tick <  900000/USER_HZ ||  in timekeeping_validate_timex()
2361 		     txc->tick > 1100000/USER_HZ))  in timekeeping_validate_timex()
2365 	if (txc->modes & ADJ_SETOFFSET) {  in timekeeping_validate_timex()
2378 		if (txc->time.tv_usec < 0)  in timekeeping_validate_timex()
2381 		if (txc->modes & ADJ_NANO) {  in timekeeping_validate_timex()
2382 			if (txc->time.tv_usec >= NSEC_PER_SEC)  in timekeeping_validate_timex()
2385 			if (txc->time.tv_usec >= USEC_PER_SEC)  in timekeeping_validate_timex()
2394 	if ((txc->modes & ADJ_FREQUENCY) && (BITS_PER_LONG == 64)) {  in timekeeping_validate_timex()
2395 		if (LLONG_MIN / PPM_SCALE > txc->freq)  in timekeeping_validate_timex()
2397 		if (LLONG_MAX / PPM_SCALE < txc->freq)  in timekeeping_validate_timex()
2422 int do_adjtimex(struct __kernel_timex *txc)  in do_adjtimex()  argument
2433 	ret = timekeeping_validate_timex(txc);  in do_adjtimex()
2436 	add_device_randomness(txc, sizeof(*txc));  in do_adjtimex()
2438 	if (txc->modes & ADJ_SETOFFSET) {  in do_adjtimex()
2440 		delta.tv_sec  = txc->time.tv_sec;  in do_adjtimex()
2441 		delta.tv_nsec = txc->time.tv_usec;  in do_adjtimex()
2442 		if (!(txc->modes & ADJ_NANO))  in do_adjtimex()
2460 	ret = __do_adjtimex(txc, &ts, &tai, &ad);  in do_adjtimex()
2475 	if (txc->modes & (ADJ_FREQUENCY | ADJ_TICK))  in do_adjtimex()