kernel/time/time.c

83 	struct timespec64 tv;
86 	if (get_user(tv.tv_sec, tptr))
89 	tv.tv_nsec = 0;
91 	err = security_settime64(&tv, NULL);
95 	do_settimeofday64(&tv);
121 	struct timespec64 tv;
124 	if (get_user(tv.tv_sec, tptr))
127 	tv.tv_nsec = 0;
129 	err = security_settime64(&tv, NULL);
133 	do_settimeofday64(&tv);
140 SYSCALL_DEFINE2(gettimeofday, struct __kernel_old_timeval __user *, tv,
143 	if (likely(tv != NULL)) {
147 		if (put_user(ts.tv_sec, &tv->tv_sec) ||
148 		    put_user(ts.tv_nsec / 1000, &tv->tv_usec))
169 int do_sys_settimeofday64(const struct timespec64 *tv, const struct timezone *tz)
174 	if (tv && !timespec64_valid_settod(tv))
177 	error = security_settime64(tv, tz);
190 			if (!tv)
194 	if (tv)
195 		return do_settimeofday64(tv);
199 SYSCALL_DEFINE2(settimeofday, struct __kernel_old_timeval __user *, tv,
205 	if (tv) {
206 		if (get_user(new_ts.tv_sec, &tv->tv_sec) ||
207 		    get_user(new_ts.tv_nsec, &tv->tv_usec))
220 	return do_sys_settimeofday64(tv ? &new_ts : NULL, tz ? &new_tz : NULL);
224 COMPAT_SYSCALL_DEFINE2(gettimeofday, struct old_timeval32 __user *, tv,
227 	if (tv) {
231 		if (put_user(ts.tv_sec, &tv->tv_sec) ||
232 		    put_user(ts.tv_nsec / 1000, &tv->tv_usec))
243 COMPAT_SYSCALL_DEFINE2(settimeofday, struct old_timeval32 __user *, tv,
249 	if (tv) {
250 		if (get_user(new_ts.tv_sec, &tv->tv_sec) ||
251 		    get_user(new_ts.tv_nsec, &tv->tv_usec))
264 	return do_sys_settimeofday64(tv ? &new_ts : NULL, tz ? &new_tz : NULL);
473 	struct __kernel_old_timeval tv;
475 	tv.tv_sec = ts.tv_sec;
476 	tv.tv_usec = (suseconds_t)ts.tv_nsec / 1000;
478 	return tv;