ppc64: add get/put_compat_timespec from Stephen Rothwell

arch/ppc64/kernel/signal32.c

@@ -720,17 +720,10 @@ long sys32_rt_sigtimedwait(sigset32_t *uthese, siginfo_t32 *uinfo,
 	case 2: s.sig[1] = s32.sig[2] | (((long)s32.sig[3]) << 32);
 	case 1: s.sig[0] = s32.sig[0] | (((long)s32.sig[1]) << 32);
 	}
-	if (uts) {
-		ret = get_user(t.tv_sec, &uts->tv_sec);
-		ret |= __get_user(t.tv_nsec, &uts->tv_nsec);
-		if (ret)
+	if (uts && get_compat_timespec(&t, uts))
 		return -EFAULT;
-	}
 	set_fs(KERNEL_DS);
-	if (uts) 
-		ret = sys_rt_sigtimedwait(&s, &info, &t, sigsetsize);
-	else
-		ret = sys_rt_sigtimedwait(&s, &info, (struct timespec *)uts,
+	ret = sys_rt_sigtimedwait(&s, uinfo ? &info : NULL, uts ? &t : NULL,
 			sigsetsize);
 	set_fs(old_fs);
 	if (ret >= 0 && uinfo) {

arch/ppc64/kernel/sys_ppc32.c

@@ -3603,10 +3603,8 @@ asmlinkage int sys32_sched_rr_get_interval(u32 pid, struct compat_timespec *inte
 	set_fs (KERNEL_DS);
 	ret = sys_sched_rr_get_interval((int)pid, &t);
 	set_fs (old_fs);
-	if (put_user (t.tv_sec, &interval->tv_sec) ||
-	    __put_user (t.tv_nsec, &interval->tv_nsec))
+	if (put_compat_timespec(&t, interval))
 		return -EFAULT;
-	
 	return ret;
 }