sparc64 (and others): fix tty_ioctl.c build

Add Guards around TIOCSLCKTRMIOS and TIOCGLCKTRMIOS.

Several architectures are still broken.  Put temporary-for-2.6.23 ifdef guards
around the offending code.
Signed-off-by: Tony Breeds <tony@bakeyournoodle.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: : Linus Torvalds <torvalds@linux-foundation.org>

drivers/char/tty_ioctl.c

@@ -795,6 +795,19 @@ int n_tty_ioctl(struct tty_struct * tty, struct file * file,
 			if (L_ICANON(tty))
 				retval = inq_canon(tty);
 			return put_user(retval, (unsigned int __user *) arg);
+#ifndef TCGETS2
+		case TIOCGLCKTRMIOS:
+			if (kernel_termios_to_user_termios((struct termios __user *)arg, real_tty->termios_locked))
+				return -EFAULT;
+			return 0;
+
+		case TIOCSLCKTRMIOS:
+			if (!capable(CAP_SYS_ADMIN))
+				return -EPERM;
+			if (user_termios_to_kernel_termios(real_tty->termios_locked, (struct termios __user *) arg))
+				return -EFAULT;
+			return 0;
+#else
 		case TIOCGLCKTRMIOS:
 			if (kernel_termios_to_user_termios_1((struct termios __user *)arg, real_tty->termios_locked))
 				return -EFAULT;
@@ -806,6 +819,7 @@ int n_tty_ioctl(struct tty_struct * tty, struct file * file,
 			if (user_termios_to_kernel_termios_1(real_tty->termios_locked, (struct termios __user *) arg))
 				return -EFAULT;
 			return 0;
+#endif
 
 		case TIOCPKT:
 		{