tty: Fix TIOCGPTPEER ioctl definition

This ioctl does nothing to justify an _IOC_READ or _IOC_WRITE flag
because it doesn't copy anything from/to userspace to access the
argument.

Fixes: 54ebbfb16034 ("tty: add TIOCGPTPEER ioctl")
Signed-off-by: Gleb Fotengauer-Malinovskiy <glebfm@altlinux.org>
Acked-by: Aleksa Sarai <asarai@suse.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/sh/include/uapi/asm/ioctls.h b/arch/sh/include/uapi/asm/ioctls.h
index eec7901e9e65..787bac9f67da 100644
--- a/arch/sh/include/uapi/asm/ioctls.h
+++ b/arch/sh/include/uapi/asm/ioctls.h
@@ -93,7 +93,7 @@
 #define TIOCGPKT        _IOR('T', 0x38, int) /* Get packet mode state */
 #define TIOCGPTLCK      _IOR('T', 0x39, int) /* Get Pty lock state */
 #define TIOCGEXCL       _IOR('T', 0x40, int) /* Get exclusive mode state */
-#define TIOCGPTPEER     _IOR('T', 0x41, int) /* Safely open the slave */
+#define TIOCGPTPEER     _IO('T', 0x41) /* Safely open the slave */
 
 #define TIOCSERCONFIG   _IO('T', 83) /* 0x5453 */
 #define TIOCSERGWILD    _IOR('T', 84,  int) /* 0x5454 */