2 * linux/kernel/compat.c
4 * Kernel compatibililty routines for e.g. 32 bit syscall support
7 * Copyright (C) 2002-2003 Stephen Rothwell, IBM Corporation
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
14 #include <linux/linkage.h>
15 #include <linux/compat.h>
16 #include <linux/errno.h>
17 #include <linux/time.h>
18 #include <linux/signal.h>
19 #include <linux/sched.h> /* for MAX_SCHEDULE_TIMEOUT */
20 #include <linux/futex.h> /* for FUTEX_WAIT */
21 #include <linux/syscalls.h>
22 #include <linux/unistd.h>
23 #include <linux/security.h>
24 #include <linux/timex.h>
26 #include <asm/uaccess.h>
28 int get_compat_timespec(struct timespec *ts, const struct compat_timespec __user *cts)
30 return (!access_ok(VERIFY_READ, cts, sizeof(*cts)) ||
31 __get_user(ts->tv_sec, &cts->tv_sec) ||
32 __get_user(ts->tv_nsec, &cts->tv_nsec)) ? -EFAULT : 0;
35 int put_compat_timespec(const struct timespec *ts, struct compat_timespec __user *cts)
37 return (!access_ok(VERIFY_WRITE, cts, sizeof(*cts)) ||
38 __put_user(ts->tv_sec, &cts->tv_sec) ||
39 __put_user(ts->tv_nsec, &cts->tv_nsec)) ? -EFAULT : 0;
42 static long compat_nanosleep_restart(struct restart_block *restart)
44 unsigned long expire = restart->arg0, now = jiffies;
45 struct compat_timespec __user *rmtp;
47 /* Did it expire while we handled signals? */
48 if (!time_after(expire, now))
51 expire = schedule_timeout_interruptible(expire - now);
55 rmtp = (struct compat_timespec __user *)restart->arg1;
57 struct compat_timespec ct;
60 jiffies_to_timespec(expire, &t);
62 ct.tv_nsec = t.tv_nsec;
63 if (copy_to_user(rmtp, &ct, sizeof(ct)))
66 /* The 'restart' block is already filled in */
67 return -ERESTART_RESTARTBLOCK;
70 asmlinkage long compat_sys_nanosleep(struct compat_timespec __user *rqtp,
71 struct compat_timespec __user *rmtp)
74 struct restart_block *restart;
77 if (get_compat_timespec(&t, rqtp))
80 if ((t.tv_nsec >= 1000000000L) || (t.tv_nsec < 0) || (t.tv_sec < 0))
83 expire = timespec_to_jiffies(&t) + (t.tv_sec || t.tv_nsec);
84 expire = schedule_timeout_interruptible(expire);
89 jiffies_to_timespec(expire, &t);
90 if (put_compat_timespec(&t, rmtp))
93 restart = ¤t_thread_info()->restart_block;
94 restart->fn = compat_nanosleep_restart;
95 restart->arg0 = jiffies + expire;
96 restart->arg1 = (unsigned long) rmtp;
97 return -ERESTART_RESTARTBLOCK;
100 static inline long get_compat_itimerval(struct itimerval *o,
101 struct compat_itimerval __user *i)
103 return (!access_ok(VERIFY_READ, i, sizeof(*i)) ||
104 (__get_user(o->it_interval.tv_sec, &i->it_interval.tv_sec) |
105 __get_user(o->it_interval.tv_usec, &i->it_interval.tv_usec) |
106 __get_user(o->it_value.tv_sec, &i->it_value.tv_sec) |
107 __get_user(o->it_value.tv_usec, &i->it_value.tv_usec)));
110 static inline long put_compat_itimerval(struct compat_itimerval __user *o,
113 return (!access_ok(VERIFY_WRITE, o, sizeof(*o)) ||
114 (__put_user(i->it_interval.tv_sec, &o->it_interval.tv_sec) |
115 __put_user(i->it_interval.tv_usec, &o->it_interval.tv_usec) |
116 __put_user(i->it_value.tv_sec, &o->it_value.tv_sec) |
117 __put_user(i->it_value.tv_usec, &o->it_value.tv_usec)));
120 asmlinkage long compat_sys_getitimer(int which,
121 struct compat_itimerval __user *it)
123 struct itimerval kit;
126 error = do_getitimer(which, &kit);
127 if (!error && put_compat_itimerval(it, &kit))
132 asmlinkage long compat_sys_setitimer(int which,
133 struct compat_itimerval __user *in,
134 struct compat_itimerval __user *out)
136 struct itimerval kin, kout;
140 if (get_compat_itimerval(&kin, in))
143 memset(&kin, 0, sizeof(kin));
145 error = do_setitimer(which, &kin, out ? &kout : NULL);
148 if (put_compat_itimerval(out, &kout))
153 asmlinkage long compat_sys_times(struct compat_tms __user *tbuf)
156 * In the SMP world we might just be unlucky and have one of
157 * the times increment as we use it. Since the value is an
158 * atomically safe type this is just fine. Conceptually its
159 * as if the syscall took an instant longer to occur.
162 struct compat_tms tmp;
163 struct task_struct *tsk = current;
164 struct task_struct *t;
165 cputime_t utime, stime, cutime, cstime;
167 read_lock(&tasklist_lock);
168 utime = tsk->signal->utime;
169 stime = tsk->signal->stime;
172 utime = cputime_add(utime, t->utime);
173 stime = cputime_add(stime, t->stime);
178 * While we have tasklist_lock read-locked, no dying thread
179 * can be updating current->signal->[us]time. Instead,
180 * we got their counts included in the live thread loop.
181 * However, another thread can come in right now and
182 * do a wait call that updates current->signal->c[us]time.
183 * To make sure we always see that pair updated atomically,
184 * we take the siglock around fetching them.
186 spin_lock_irq(&tsk->sighand->siglock);
187 cutime = tsk->signal->cutime;
188 cstime = tsk->signal->cstime;
189 spin_unlock_irq(&tsk->sighand->siglock);
190 read_unlock(&tasklist_lock);
192 tmp.tms_utime = compat_jiffies_to_clock_t(cputime_to_jiffies(utime));
193 tmp.tms_stime = compat_jiffies_to_clock_t(cputime_to_jiffies(stime));
194 tmp.tms_cutime = compat_jiffies_to_clock_t(cputime_to_jiffies(cutime));
195 tmp.tms_cstime = compat_jiffies_to_clock_t(cputime_to_jiffies(cstime));
196 if (copy_to_user(tbuf, &tmp, sizeof(tmp)))
199 return compat_jiffies_to_clock_t(jiffies);
203 * Assumption: old_sigset_t and compat_old_sigset_t are both
204 * types that can be passed to put_user()/get_user().
207 asmlinkage long compat_sys_sigpending(compat_old_sigset_t __user *set)
211 mm_segment_t old_fs = get_fs();
214 ret = sys_sigpending((old_sigset_t __user *) &s);
217 ret = put_user(s, set);
221 asmlinkage long compat_sys_sigprocmask(int how, compat_old_sigset_t __user *set,
222 compat_old_sigset_t __user *oset)
228 if (set && get_user(s, set))
232 ret = sys_sigprocmask(how,
233 set ? (old_sigset_t __user *) &s : NULL,
234 oset ? (old_sigset_t __user *) &s : NULL);
238 ret = put_user(s, oset);
243 asmlinkage long compat_sys_futex(u32 __user *uaddr, int op, int val,
244 struct compat_timespec __user *utime, u32 __user *uaddr2,
248 unsigned long timeout = MAX_SCHEDULE_TIMEOUT;
251 if ((op == FUTEX_WAIT) && utime) {
252 if (get_compat_timespec(&t, utime))
254 timeout = timespec_to_jiffies(&t) + 1;
256 if (op >= FUTEX_REQUEUE)
257 val2 = (int) (unsigned long) utime;
259 return do_futex((unsigned long)uaddr, op, val, timeout,
260 (unsigned long)uaddr2, val2, val3);
264 asmlinkage long compat_sys_setrlimit(unsigned int resource,
265 struct compat_rlimit __user *rlim)
269 mm_segment_t old_fs = get_fs ();
271 if (resource >= RLIM_NLIMITS)
274 if (!access_ok(VERIFY_READ, rlim, sizeof(*rlim)) ||
275 __get_user(r.rlim_cur, &rlim->rlim_cur) ||
276 __get_user(r.rlim_max, &rlim->rlim_max))
279 if (r.rlim_cur == COMPAT_RLIM_INFINITY)
280 r.rlim_cur = RLIM_INFINITY;
281 if (r.rlim_max == COMPAT_RLIM_INFINITY)
282 r.rlim_max = RLIM_INFINITY;
284 ret = sys_setrlimit(resource, (struct rlimit __user *) &r);
289 #ifdef COMPAT_RLIM_OLD_INFINITY
291 asmlinkage long compat_sys_old_getrlimit(unsigned int resource,
292 struct compat_rlimit __user *rlim)
296 mm_segment_t old_fs = get_fs();
299 ret = sys_old_getrlimit(resource, &r);
303 if (r.rlim_cur > COMPAT_RLIM_OLD_INFINITY)
304 r.rlim_cur = COMPAT_RLIM_INFINITY;
305 if (r.rlim_max > COMPAT_RLIM_OLD_INFINITY)
306 r.rlim_max = COMPAT_RLIM_INFINITY;
308 if (!access_ok(VERIFY_WRITE, rlim, sizeof(*rlim)) ||
309 __put_user(r.rlim_cur, &rlim->rlim_cur) ||
310 __put_user(r.rlim_max, &rlim->rlim_max))
318 asmlinkage long compat_sys_getrlimit (unsigned int resource,
319 struct compat_rlimit __user *rlim)
323 mm_segment_t old_fs = get_fs();
326 ret = sys_getrlimit(resource, (struct rlimit __user *) &r);
329 if (r.rlim_cur > COMPAT_RLIM_INFINITY)
330 r.rlim_cur = COMPAT_RLIM_INFINITY;
331 if (r.rlim_max > COMPAT_RLIM_INFINITY)
332 r.rlim_max = COMPAT_RLIM_INFINITY;
334 if (!access_ok(VERIFY_WRITE, rlim, sizeof(*rlim)) ||
335 __put_user(r.rlim_cur, &rlim->rlim_cur) ||
336 __put_user(r.rlim_max, &rlim->rlim_max))
342 int put_compat_rusage(const struct rusage *r, struct compat_rusage __user *ru)
344 if (!access_ok(VERIFY_WRITE, ru, sizeof(*ru)) ||
345 __put_user(r->ru_utime.tv_sec, &ru->ru_utime.tv_sec) ||
346 __put_user(r->ru_utime.tv_usec, &ru->ru_utime.tv_usec) ||
347 __put_user(r->ru_stime.tv_sec, &ru->ru_stime.tv_sec) ||
348 __put_user(r->ru_stime.tv_usec, &ru->ru_stime.tv_usec) ||
349 __put_user(r->ru_maxrss, &ru->ru_maxrss) ||
350 __put_user(r->ru_ixrss, &ru->ru_ixrss) ||
351 __put_user(r->ru_idrss, &ru->ru_idrss) ||
352 __put_user(r->ru_isrss, &ru->ru_isrss) ||
353 __put_user(r->ru_minflt, &ru->ru_minflt) ||
354 __put_user(r->ru_majflt, &ru->ru_majflt) ||
355 __put_user(r->ru_nswap, &ru->ru_nswap) ||
356 __put_user(r->ru_inblock, &ru->ru_inblock) ||
357 __put_user(r->ru_oublock, &ru->ru_oublock) ||
358 __put_user(r->ru_msgsnd, &ru->ru_msgsnd) ||
359 __put_user(r->ru_msgrcv, &ru->ru_msgrcv) ||
360 __put_user(r->ru_nsignals, &ru->ru_nsignals) ||
361 __put_user(r->ru_nvcsw, &ru->ru_nvcsw) ||
362 __put_user(r->ru_nivcsw, &ru->ru_nivcsw))
367 asmlinkage long compat_sys_getrusage(int who, struct compat_rusage __user *ru)
371 mm_segment_t old_fs = get_fs();
374 ret = sys_getrusage(who, (struct rusage __user *) &r);
380 if (put_compat_rusage(&r, ru))
387 compat_sys_wait4(compat_pid_t pid, compat_uint_t __user *stat_addr, int options,
388 struct compat_rusage __user *ru)
391 return sys_wait4(pid, stat_addr, options, NULL);
396 mm_segment_t old_fs = get_fs();
401 (unsigned int __user *) &status : NULL),
402 options, (struct rusage __user *) &r);
406 if (put_compat_rusage(&r, ru))
408 if (stat_addr && put_user(status, stat_addr))
415 asmlinkage long compat_sys_waitid(int which, compat_pid_t pid,
416 struct compat_siginfo __user *uinfo, int options,
417 struct compat_rusage __user *uru)
422 mm_segment_t old_fs = get_fs();
424 memset(&info, 0, sizeof(info));
427 ret = sys_waitid(which, pid, (siginfo_t __user *)&info, options,
428 uru ? (struct rusage __user *)&ru : NULL);
431 if ((ret < 0) || (info.si_signo == 0))
435 ret = put_compat_rusage(&ru, uru);
440 BUG_ON(info.si_code & __SI_MASK);
441 info.si_code |= __SI_CHLD;
442 return copy_siginfo_to_user32(uinfo, &info);
445 static int compat_get_user_cpu_mask(compat_ulong_t __user *user_mask_ptr,
446 unsigned len, cpumask_t *new_mask)
450 if (len < sizeof(cpumask_t))
451 memset(new_mask, 0, sizeof(cpumask_t));
452 else if (len > sizeof(cpumask_t))
453 len = sizeof(cpumask_t);
455 k = cpus_addr(*new_mask);
456 return compat_get_bitmap(k, user_mask_ptr, len * 8);
459 asmlinkage long compat_sys_sched_setaffinity(compat_pid_t pid,
461 compat_ulong_t __user *user_mask_ptr)
466 retval = compat_get_user_cpu_mask(user_mask_ptr, len, &new_mask);
470 return sched_setaffinity(pid, new_mask);
473 asmlinkage long compat_sys_sched_getaffinity(compat_pid_t pid, unsigned int len,
474 compat_ulong_t __user *user_mask_ptr)
479 unsigned int min_length = sizeof(cpumask_t);
481 if (NR_CPUS <= BITS_PER_COMPAT_LONG)
482 min_length = sizeof(compat_ulong_t);
484 if (len < min_length)
487 ret = sched_getaffinity(pid, &mask);
492 ret = compat_put_bitmap(user_mask_ptr, k, min_length * 8);
499 static int get_compat_itimerspec(struct itimerspec *dst,
500 struct compat_itimerspec __user *src)
502 if (get_compat_timespec(&dst->it_interval, &src->it_interval) ||
503 get_compat_timespec(&dst->it_value, &src->it_value))
508 static int put_compat_itimerspec(struct compat_itimerspec __user *dst,
509 struct itimerspec *src)
511 if (put_compat_timespec(&src->it_interval, &dst->it_interval) ||
512 put_compat_timespec(&src->it_value, &dst->it_value))
517 long compat_sys_timer_create(clockid_t which_clock,
518 struct compat_sigevent __user *timer_event_spec,
519 timer_t __user *created_timer_id)
521 struct sigevent __user *event = NULL;
523 if (timer_event_spec) {
524 struct sigevent kevent;
526 event = compat_alloc_user_space(sizeof(*event));
527 if (get_compat_sigevent(&kevent, timer_event_spec) ||
528 copy_to_user(event, &kevent, sizeof(*event)))
532 return sys_timer_create(which_clock, event, created_timer_id);
535 long compat_sys_timer_settime(timer_t timer_id, int flags,
536 struct compat_itimerspec __user *new,
537 struct compat_itimerspec __user *old)
541 struct itimerspec newts, oldts;
545 if (get_compat_itimerspec(&newts, new))
549 err = sys_timer_settime(timer_id, flags,
550 (struct itimerspec __user *) &newts,
551 (struct itimerspec __user *) &oldts);
553 if (!err && old && put_compat_itimerspec(old, &oldts))
558 long compat_sys_timer_gettime(timer_t timer_id,
559 struct compat_itimerspec __user *setting)
563 struct itimerspec ts;
567 err = sys_timer_gettime(timer_id,
568 (struct itimerspec __user *) &ts);
570 if (!err && put_compat_itimerspec(setting, &ts))
575 long compat_sys_clock_settime(clockid_t which_clock,
576 struct compat_timespec __user *tp)
582 if (get_compat_timespec(&ts, tp))
586 err = sys_clock_settime(which_clock,
587 (struct timespec __user *) &ts);
592 long compat_sys_clock_gettime(clockid_t which_clock,
593 struct compat_timespec __user *tp)
601 err = sys_clock_gettime(which_clock,
602 (struct timespec __user *) &ts);
604 if (!err && put_compat_timespec(&ts, tp))
609 long compat_sys_clock_getres(clockid_t which_clock,
610 struct compat_timespec __user *tp)
618 err = sys_clock_getres(which_clock,
619 (struct timespec __user *) &ts);
621 if (!err && tp && put_compat_timespec(&ts, tp))
626 long compat_sys_clock_nanosleep(clockid_t which_clock, int flags,
627 struct compat_timespec __user *rqtp,
628 struct compat_timespec __user *rmtp)
632 struct timespec in, out;
634 if (get_compat_timespec(&in, rqtp))
639 err = sys_clock_nanosleep(which_clock, flags,
640 (struct timespec __user *) &in,
641 (struct timespec __user *) &out);
643 if ((err == -ERESTART_RESTARTBLOCK) && rmtp &&
644 put_compat_timespec(&out, rmtp))
650 * We currently only need the following fields from the sigevent
651 * structure: sigev_value, sigev_signo, sig_notify and (sometimes
652 * sigev_notify_thread_id). The others are handled in user mode.
653 * We also assume that copying sigev_value.sival_int is sufficient
654 * to keep all the bits of sigev_value.sival_ptr intact.
656 int get_compat_sigevent(struct sigevent *event,
657 const struct compat_sigevent __user *u_event)
659 memset(event, 0, sizeof(*event));
660 return (!access_ok(VERIFY_READ, u_event, sizeof(*u_event)) ||
661 __get_user(event->sigev_value.sival_int,
662 &u_event->sigev_value.sival_int) ||
663 __get_user(event->sigev_signo, &u_event->sigev_signo) ||
664 __get_user(event->sigev_notify, &u_event->sigev_notify) ||
665 __get_user(event->sigev_notify_thread_id,
666 &u_event->sigev_notify_thread_id))
670 long compat_get_bitmap(unsigned long *mask, compat_ulong_t __user *umask,
671 unsigned long bitmap_size)
676 unsigned long nr_compat_longs;
678 /* align bitmap up to nearest compat_long_t boundary */
679 bitmap_size = ALIGN(bitmap_size, BITS_PER_COMPAT_LONG);
681 if (!access_ok(VERIFY_READ, umask, bitmap_size / 8))
684 nr_compat_longs = BITS_TO_COMPAT_LONGS(bitmap_size);
686 for (i = 0; i < BITS_TO_LONGS(bitmap_size); i++) {
689 for (j = 0; j < sizeof(m)/sizeof(um); j++) {
691 * We dont want to read past the end of the userspace
692 * bitmap. We must however ensure the end of the
693 * kernel bitmap is zeroed.
695 if (nr_compat_longs-- > 0) {
696 if (__get_user(um, umask))
703 m |= (long)um << (j * BITS_PER_COMPAT_LONG);
711 long compat_put_bitmap(compat_ulong_t __user *umask, unsigned long *mask,
712 unsigned long bitmap_size)
717 unsigned long nr_compat_longs;
719 /* align bitmap up to nearest compat_long_t boundary */
720 bitmap_size = ALIGN(bitmap_size, BITS_PER_COMPAT_LONG);
722 if (!access_ok(VERIFY_WRITE, umask, bitmap_size / 8))
725 nr_compat_longs = BITS_TO_COMPAT_LONGS(bitmap_size);
727 for (i = 0; i < BITS_TO_LONGS(bitmap_size); i++) {
730 for (j = 0; j < sizeof(m)/sizeof(um); j++) {
734 * We dont want to write past the end of the userspace
737 if (nr_compat_longs-- > 0) {
738 if (__put_user(um, umask))
752 sigset_from_compat (sigset_t *set, compat_sigset_t *compat)
754 switch (_NSIG_WORDS) {
755 #if defined (__COMPAT_ENDIAN_SWAP__)
756 case 4: set->sig[3] = compat->sig[7] | (((long)compat->sig[6]) << 32 );
757 case 3: set->sig[2] = compat->sig[5] | (((long)compat->sig[4]) << 32 );
758 case 2: set->sig[1] = compat->sig[3] | (((long)compat->sig[2]) << 32 );
759 case 1: set->sig[0] = compat->sig[1] | (((long)compat->sig[0]) << 32 );
761 case 4: set->sig[3] = compat->sig[6] | (((long)compat->sig[7]) << 32 );
762 case 3: set->sig[2] = compat->sig[4] | (((long)compat->sig[5]) << 32 );
763 case 2: set->sig[1] = compat->sig[2] | (((long)compat->sig[3]) << 32 );
764 case 1: set->sig[0] = compat->sig[0] | (((long)compat->sig[1]) << 32 );
770 compat_sys_rt_sigtimedwait (compat_sigset_t __user *uthese,
771 struct compat_siginfo __user *uinfo,
772 struct compat_timespec __user *uts, compat_size_t sigsetsize)
779 long ret, timeout = 0;
781 if (sigsetsize != sizeof(sigset_t))
784 if (copy_from_user(&s32, uthese, sizeof(compat_sigset_t)))
786 sigset_from_compat(&s, &s32);
787 sigdelsetmask(&s,sigmask(SIGKILL)|sigmask(SIGSTOP));
791 if (get_compat_timespec (&t, uts))
793 if (t.tv_nsec >= 1000000000L || t.tv_nsec < 0
798 spin_lock_irq(¤t->sighand->siglock);
799 sig = dequeue_signal(current, &s, &info);
801 timeout = MAX_SCHEDULE_TIMEOUT;
803 timeout = timespec_to_jiffies(&t)
804 +(t.tv_sec || t.tv_nsec);
806 current->real_blocked = current->blocked;
807 sigandsets(¤t->blocked, ¤t->blocked, &s);
810 spin_unlock_irq(¤t->sighand->siglock);
812 timeout = schedule_timeout_interruptible(timeout);
814 spin_lock_irq(¤t->sighand->siglock);
815 sig = dequeue_signal(current, &s, &info);
816 current->blocked = current->real_blocked;
817 siginitset(¤t->real_blocked, 0);
821 spin_unlock_irq(¤t->sighand->siglock);
826 if (copy_siginfo_to_user32(uinfo, &info))
830 ret = timeout?-EINTR:-EAGAIN;
836 #ifdef __ARCH_WANT_COMPAT_SYS_TIME
838 /* compat_time_t is a 32 bit "long" and needs to get converted. */
840 asmlinkage long compat_sys_time(compat_time_t __user * tloc)
845 do_gettimeofday(&tv);
849 if (put_user(i,tloc))
855 asmlinkage long compat_sys_stime(compat_time_t __user *tptr)
860 if (get_user(tv.tv_sec, tptr))
865 err = security_settime(&tv, NULL);
869 do_settimeofday(&tv);
873 #endif /* __ARCH_WANT_COMPAT_SYS_TIME */
875 #ifdef __ARCH_WANT_COMPAT_SYS_RT_SIGSUSPEND
876 asmlinkage long compat_sys_rt_sigsuspend(compat_sigset_t __user *unewset, compat_size_t sigsetsize)
879 compat_sigset_t newset32;
881 /* XXX: Don't preclude handling different sized sigset_t's. */
882 if (sigsetsize != sizeof(sigset_t))
885 if (copy_from_user(&newset32, unewset, sizeof(compat_sigset_t)))
887 sigset_from_compat(&newset, &newset32);
888 sigdelsetmask(&newset, sigmask(SIGKILL)|sigmask(SIGSTOP));
890 spin_lock_irq(¤t->sighand->siglock);
891 current->saved_sigmask = current->blocked;
892 current->blocked = newset;
894 spin_unlock_irq(¤t->sighand->siglock);
896 current->state = TASK_INTERRUPTIBLE;
898 set_thread_flag(TIF_RESTORE_SIGMASK);
899 return -ERESTARTNOHAND;
901 #endif /* __ARCH_WANT_COMPAT_SYS_RT_SIGSUSPEND */
903 asmlinkage long compat_sys_adjtimex(struct compat_timex __user *utp)
908 memset(&txc, 0, sizeof(struct timex));
910 if (!access_ok(VERIFY_READ, utp, sizeof(struct compat_timex)) ||
911 __get_user(txc.modes, &utp->modes) ||
912 __get_user(txc.offset, &utp->offset) ||
913 __get_user(txc.freq, &utp->freq) ||
914 __get_user(txc.maxerror, &utp->maxerror) ||
915 __get_user(txc.esterror, &utp->esterror) ||
916 __get_user(txc.status, &utp->status) ||
917 __get_user(txc.constant, &utp->constant) ||
918 __get_user(txc.precision, &utp->precision) ||
919 __get_user(txc.tolerance, &utp->tolerance) ||
920 __get_user(txc.time.tv_sec, &utp->time.tv_sec) ||
921 __get_user(txc.time.tv_usec, &utp->time.tv_usec) ||
922 __get_user(txc.tick, &utp->tick) ||
923 __get_user(txc.ppsfreq, &utp->ppsfreq) ||
924 __get_user(txc.jitter, &utp->jitter) ||
925 __get_user(txc.shift, &utp->shift) ||
926 __get_user(txc.stabil, &utp->stabil) ||
927 __get_user(txc.jitcnt, &utp->jitcnt) ||
928 __get_user(txc.calcnt, &utp->calcnt) ||
929 __get_user(txc.errcnt, &utp->errcnt) ||
930 __get_user(txc.stbcnt, &utp->stbcnt))
933 ret = do_adjtimex(&txc);
935 if (!access_ok(VERIFY_WRITE, utp, sizeof(struct compat_timex)) ||
936 __put_user(txc.modes, &utp->modes) ||
937 __put_user(txc.offset, &utp->offset) ||
938 __put_user(txc.freq, &utp->freq) ||
939 __put_user(txc.maxerror, &utp->maxerror) ||
940 __put_user(txc.esterror, &utp->esterror) ||
941 __put_user(txc.status, &utp->status) ||
942 __put_user(txc.constant, &utp->constant) ||
943 __put_user(txc.precision, &utp->precision) ||
944 __put_user(txc.tolerance, &utp->tolerance) ||
945 __put_user(txc.time.tv_sec, &utp->time.tv_sec) ||
946 __put_user(txc.time.tv_usec, &utp->time.tv_usec) ||
947 __put_user(txc.tick, &utp->tick) ||
948 __put_user(txc.ppsfreq, &utp->ppsfreq) ||
949 __put_user(txc.jitter, &utp->jitter) ||
950 __put_user(txc.shift, &utp->shift) ||
951 __put_user(txc.stabil, &utp->stabil) ||
952 __put_user(txc.jitcnt, &utp->jitcnt) ||
953 __put_user(txc.calcnt, &utp->calcnt) ||
954 __put_user(txc.errcnt, &utp->errcnt) ||
955 __put_user(txc.stbcnt, &utp->stbcnt))