tty: add the new termios2 ioctls to the compatible list.

Make them depend on TCGETS2.  If that one is implemented the rest should be
there as well.

Acked-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c
index bd26e4c..e8b7c3a 100644
--- a/fs/compat_ioctl.c
+++ b/fs/compat_ioctl.c
@@ -1954,6 +1954,12 @@
 COMPATIBLE_IOCTL(TIOCGPTN)
 COMPATIBLE_IOCTL(TIOCSPTLCK)
 COMPATIBLE_IOCTL(TIOCSERGETLSR)
+#ifdef TCGETS2
+COMPATIBLE_IOCTL(TCGETS2)
+COMPATIBLE_IOCTL(TCSETS2)
+COMPATIBLE_IOCTL(TCSETSW2)
+COMPATIBLE_IOCTL(TCSETSF2)
+#endif
 /* Little f */
 COMPATIBLE_IOCTL(FIOCLEX)
 COMPATIBLE_IOCTL(FIONCLEX)