Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/arch/openrisc/include/asm/uaccess.h b/arch/openrisc/include/asm/uaccess.h
index bbf5c79..17c24f1 100644
--- a/arch/openrisc/include/asm/uaccess.h
+++ b/arch/openrisc/include/asm/uaccess.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* OpenRISC Linux
*
@@ -9,11 +10,6 @@
* Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
* Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
* et al.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#ifndef __ASM_OPENRISC_UACCESS_H
@@ -42,7 +38,6 @@
*/
#define KERNEL_DS (~0UL)
-#define get_ds() (KERNEL_DS)
#define USER_DS (TASK_SIZE)
#define get_fs() (current_thread_info()->addr_limit)
@@ -58,8 +53,12 @@
/* Ensure that addr is below task's addr_limit */
#define __addr_ok(addr) ((unsigned long) addr < get_fs())
-#define access_ok(type, addr, size) \
- __range_ok((unsigned long)addr, (unsigned long)size)
+#define access_ok(addr, size) \
+({ \
+ unsigned long __ao_addr = (unsigned long)(addr); \
+ unsigned long __ao_size = (unsigned long)(size); \
+ __range_ok(__ao_addr, __ao_size); \
+})
/*
* These are the main single-value transfer routines. They automatically
@@ -102,7 +101,7 @@
({ \
long __pu_err = -EFAULT; \
__typeof__(*(ptr)) *__pu_addr = (ptr); \
- if (access_ok(VERIFY_WRITE, __pu_addr, size)) \
+ if (access_ok(__pu_addr, size)) \
__put_user_size((x), __pu_addr, (size), __pu_err); \
__pu_err; \
})
@@ -175,7 +174,7 @@
({ \
long __gu_err = -EFAULT, __gu_val = 0; \
const __typeof__(*(ptr)) * __gu_addr = (ptr); \
- if (access_ok(VERIFY_READ, __gu_addr, size)) \
+ if (access_ok(__gu_addr, size)) \
__get_user_size(__gu_val, __gu_addr, (size), __gu_err); \
(x) = (__force __typeof__(*(ptr)))__gu_val; \
__gu_err; \
@@ -254,7 +253,7 @@
static inline __must_check unsigned long
clear_user(void *addr, unsigned long size)
{
- if (likely(access_ok(VERIFY_WRITE, addr, size)))
+ if (likely(access_ok(addr, size)))
size = __clear_user(addr, size);
return size;
}