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Message-ID: <20170717132946.GK21910@glebfm.cloud.tilaa.com>
Date: Mon, 17 Jul 2017 16:29:46 +0300
From: Gleb Fotengauer-Malinovskiy <glebfm@...linux.org>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: Aleksa Sarai <asarai@...e.de>,
David Laight <David.Laight@...LAB.COM>,
James Hogan <james.hogan@...tec.com>,
"linux-arch@...r.kernel.org" <linux-arch@...r.kernel.org>,
"linux-mips@...ux-mips.org" <linux-mips@...ux-mips.org>,
Valentin Rothberg <vrothberg@...e.com>,
"linux-parisc@...r.kernel.org" <linux-parisc@...r.kernel.org>,
Arnd Bergmann <arnd@...db.de>,
"linux-sh@...r.kernel.org" <linux-sh@...r.kernel.org>,
"linux-xtensa@...ux-xtensa.org" <linux-xtensa@...ux-xtensa.org>,
"linux-alpha@...r.kernel.org" <linux-alpha@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"Dmitry V. Levin" <ldv@...linux.org>, Jiri Slaby <jslaby@...e.com>,
"sparclinux@...r.kernel.org" <sparclinux@...r.kernel.org>,
Christian Brauner <christian.brauner@...ntu.com>,
"linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>
Subject: [PATCH] [PING] 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@...linux.org>
Acked-by: Aleksa Sarai <asarai@...e.de>
Acked-by: Arnd Bergmann <arnd@...db.de>
---
arch/alpha/include/uapi/asm/ioctls.h | 2 +-
arch/mips/include/uapi/asm/ioctls.h | 2 +-
arch/parisc/include/uapi/asm/ioctls.h | 2 +-
arch/powerpc/include/uapi/asm/ioctls.h | 2 +-
arch/sh/include/uapi/asm/ioctls.h | 2 +-
arch/sparc/include/uapi/asm/ioctls.h | 2 +-
arch/xtensa/include/uapi/asm/ioctls.h | 2 +-
include/uapi/asm-generic/ioctls.h | 2 +-
8 files changed, 8 insertions(+), 8 deletions(-)
diff --git a/arch/alpha/include/uapi/asm/ioctls.h b/arch/alpha/include/uapi/asm/ioctls.h
index ff67b8373bf7..1cd7dc7d4870 100644
--- 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 68e19b689a00..1609cb0907ac 100644
--- 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 674c68a5bbd0..d0e3321403be 100644
--- 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 bfd609a3e928..e3b10469f787 100644
--- 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 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 */
diff --git a/arch/sparc/include/uapi/asm/ioctls.h b/arch/sparc/include/uapi/asm/ioctls.h
index 6d27398632ea..f5df72b93bb2 100644
--- 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 98b004e24e85..47d82c09be7b 100644
--- 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 06d5f7ddf84e..14baf9f23a14 100644
--- 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
--
glebfm
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