kernel/time/time.c

271 	struct __kernel_timex txc;		/* Local copy of parameter */
278 	if (copy_from_user(&txc, txc_p, sizeof(struct __kernel_timex)))
280 	ret = do_adjtimex(&txc);
281 	return copy_to_user(txc_p, &txc, sizeof(struct __kernel_timex)) ? -EFAULT : ret;
286 int get_old_timex32(struct __kernel_timex *txc, const struct old_timex32 __user *utp)
290 	memset(txc, 0, sizeof(struct __kernel_timex));
294 	txc->modes = tx32.modes;
295 	txc->offset = tx32.offset;
296 	txc->freq = tx32.freq;
297 	txc->maxerror = tx32.maxerror;
298 	txc->esterror = tx32.esterror;
299 	txc->status = tx32.status;
300 	txc->constant = tx32.constant;
301 	txc->precision = tx32.precision;
302 	txc->tolerance = tx32.tolerance;
303 	txc->time.tv_sec = tx32.time.tv_sec;
304 	txc->time.tv_usec = tx32.time.tv_usec;
305 	txc->tick = tx32.tick;
306 	txc->ppsfreq = tx32.ppsfreq;
307 	txc->jitter = tx32.jitter;
308 	txc->shift = tx32.shift;
309 	txc->stabil = tx32.stabil;
310 	txc->jitcnt = tx32.jitcnt;
311 	txc->calcnt = tx32.calcnt;
312 	txc->errcnt = tx32.errcnt;
313 	txc->stbcnt = tx32.stbcnt;
318 int put_old_timex32(struct old_timex32 __user *utp, const struct __kernel_timex *txc)
323 	tx32.modes = txc->modes;
324 	tx32.offset = txc->offset;
325 	tx32.freq = txc->freq;
326 	tx32.maxerror = txc->maxerror;
327 	tx32.esterror = txc->esterror;
328 	tx32.status = txc->status;
329 	tx32.constant = txc->constant;
330 	tx32.precision = txc->precision;
331 	tx32.tolerance = txc->tolerance;
332 	tx32.time.tv_sec = txc->time.tv_sec;
333 	tx32.time.tv_usec = txc->time.tv_usec;
334 	tx32.tick = txc->tick;
335 	tx32.ppsfreq = txc->ppsfreq;
336 	tx32.jitter = txc->jitter;
337 	tx32.shift = txc->shift;
338 	tx32.stabil = txc->stabil;
339 	tx32.jitcnt = txc->jitcnt;
340 	tx32.calcnt = txc->calcnt;
341 	tx32.errcnt = txc->errcnt;
342 	tx32.stbcnt = txc->stbcnt;
343 	tx32.tai = txc->tai;
351 	struct __kernel_timex txc;
354 	err = get_old_timex32(&txc, utp);
358 	ret = do_adjtimex(&txc);
360 	err = put_old_timex32(utp, &txc);