put_compat_rusage(): switch to copy_to_user()

int put_compat_rusage(const struct rusage *r, struct compat_rusage __user *ru)

{

	if (!access_ok(VERIFY_WRITE, ru, sizeof(*ru)) ||

	    __put_user(r->ru_utime.tv_sec, &ru->ru_utime.tv_sec) ||

	    __put_user(r->ru_utime.tv_usec, &ru->ru_utime.tv_usec) ||

	    __put_user(r->ru_stime.tv_sec, &ru->ru_stime.tv_sec) ||

	    __put_user(r->ru_stime.tv_usec, &ru->ru_stime.tv_usec) ||

	    __put_user(r->ru_maxrss, &ru->ru_maxrss) ||

	    __put_user(r->ru_ixrss, &ru->ru_ixrss) ||

	    __put_user(r->ru_idrss, &ru->ru_idrss) ||

	    __put_user(r->ru_isrss, &ru->ru_isrss) ||

	    __put_user(r->ru_minflt, &ru->ru_minflt) ||

	    __put_user(r->ru_majflt, &ru->ru_majflt) ||

	    __put_user(r->ru_nswap, &ru->ru_nswap) ||

	    __put_user(r->ru_inblock, &ru->ru_inblock) ||

	    __put_user(r->ru_oublock, &ru->ru_oublock) ||

	    __put_user(r->ru_msgsnd, &ru->ru_msgsnd) ||

	    __put_user(r->ru_msgrcv, &ru->ru_msgrcv) ||

	    __put_user(r->ru_nsignals, &ru->ru_nsignals) ||

	    __put_user(r->ru_nvcsw, &ru->ru_nvcsw) ||

	    __put_user(r->ru_nivcsw, &ru->ru_nivcsw))

	struct compat_rusage r32;

	memset(&r32, 0, sizeof(r32));

	r32.ru_utime.tv_sec = r->ru_utime.tv_sec;

	r32.ru_utime.tv_usec = r->ru_utime.tv_usec;

	r32.ru_stime.tv_sec = r->ru_stime.tv_sec;

	r32.ru_stime.tv_usec = r->ru_stime.tv_usec;

	r32.ru_maxrss = r->ru_maxrss;

	r32.ru_ixrss = r->ru_ixrss;

	r32.ru_idrss = r->ru_idrss;

	r32.ru_isrss = r->ru_isrss;

	r32.ru_minflt = r->ru_minflt;

	r32.ru_majflt = r->ru_majflt;

	r32.ru_nswap = r->ru_nswap;

	r32.ru_inblock = r->ru_inblock;

	r32.ru_oublock = r->ru_oublock;

	r32.ru_msgsnd = r->ru_msgsnd;

	r32.ru_msgrcv = r->ru_msgrcv;

	r32.ru_nsignals = r->ru_nsignals;

	r32.ru_nvcsw = r->ru_nvcsw;

	r32.ru_nivcsw = r->ru_nivcsw;

	if (copy_to_user(ru, &r32, sizeof(r32)))

		return -EFAULT;

	return 0;

}