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>

diff --git a/arch/alpha/include/uapi/asm/ioctls.h b/arch/alpha/include/uapi/asm/ioctls.h
index ff67b83..1cd7dc7 100644 (file)
--- a/arch/alpha/include/uapi/asm/ioctls.h
+++ b/arch/alpha/include/uapi/asm/ioctls.h
@@ -100,7 +100,7 @@
 #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  0x5453
 #define TIOCSERGWILD   0x5454

diff --git a/arch/mips/include/uapi/asm/ioctls.h b/arch/mips/include/uapi/asm/ioctls.h
index 68e19b6..1609cb0 100644 (file)
--- a/arch/mips/include/uapi/asm/ioctls.h
+++ b/arch/mips/include/uapi/asm/ioctls.h
@@ -91,7 +91,7 @@
 #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 */
 
 /* I hope the range from 0x5480 on is free ... */
 #define TIOCSCTTY      0x5480          /* become controlling tty */

diff --git a/arch/parisc/include/uapi/asm/ioctls.h b/arch/parisc/include/uapi/asm/ioctls.h
index 674c68a..d0e3321 100644 (file)
--- a/arch/parisc/include/uapi/asm/ioctls.h
+++ b/arch/parisc/include/uapi/asm/ioctls.h
@@ -60,7 +60,7 @@
 #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 FIONCLEX       0x5450  /* these numbers need to be adjusted. */
 #define FIOCLEX                0x5451

diff --git a/arch/powerpc/include/uapi/asm/ioctls.h b/arch/powerpc/include/uapi/asm/ioctls.h
index bfd609a..e3b1046 100644 (file)
--- a/arch/powerpc/include/uapi/asm/ioctls.h
+++ b/arch/powerpc/include/uapi/asm/ioctls.h
@@ -100,7 +100,7 @@
 #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  0x5453
 #define TIOCSERGWILD   0x5454

diff --git a/arch/sh/include/uapi/asm/ioctls.h b/arch/sh/include/uapi/asm/ioctls.h
index eec7901..787bac9 100644 (file)
--- 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 */

diff --git a/arch/sparc/include/uapi/asm/ioctls.h b/arch/sparc/include/uapi/asm/ioctls.h
index 6d27398..f5df72b 100644 (file)
--- a/arch/sparc/include/uapi/asm/ioctls.h
+++ b/arch/sparc/include/uapi/asm/ioctls.h
@@ -88,7 +88,7 @@
 #define TIOCGPTN       _IOR('t', 134, unsigned int) /* Get Pty Number */
 #define TIOCSPTLCK     _IOW('t', 135, int) /* Lock/unlock PTY */
 #define TIOCSIG                _IOW('t', 136, int) /* Generate signal on Pty slave */
-#define TIOCGPTPEER    _IOR('t', 137, int) /* Safely open the slave */
+#define TIOCGPTPEER    _IO('t', 137) /* Safely open the slave */
 
 /* Little f */
 #define FIOCLEX                _IO('f', 1)

diff --git a/arch/xtensa/include/uapi/asm/ioctls.h b/arch/xtensa/include/uapi/asm/ioctls.h
index 98b004e..47d82c0 100644 (file)
--- a/arch/xtensa/include/uapi/asm/ioctls.h
+++ b/arch/xtensa/include/uapi/asm/ioctls.h
@@ -105,7 +105,7 @@
 #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)
 #define TIOCSERGWILD   _IOR('T', 84,  int)

diff --git a/include/uapi/asm-generic/ioctls.h b/include/uapi/asm-generic/ioctls.h
index 06d5f7d..14baf9f 100644 (file)
--- a/include/uapi/asm-generic/ioctls.h
+++ b/include/uapi/asm-generic/ioctls.h
@@ -77,7 +77,7 @@
 #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 FIONCLEX       0x5450
 #define FIOCLEX                0x5451