From: Al Viro <viro@ftp.linux.org.uk>
Date: Mon, 26 Sep 2005 05:19:28 +0000 (+0100)
Subject: [PATCH] m32r: more basic __user annotations
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=a880948b2b88c05af9a471ca5c52883e64d3f7b8;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

[PATCH] m32r: more basic __user annotations

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/arch/m32r/lib/usercopy.c b/arch/m32r/lib/usercopy.c
index 6c6855f1aa05..ce16bbe26a52 100644
--- a/arch/m32r/lib/usercopy.c
+++ b/arch/m32r/lib/usercopy.c
@@ -13,7 +13,7 @@
 #include <asm/uaccess.h>
 
 unsigned long
-__generic_copy_to_user(void *to, const void *from, unsigned long n)
+__generic_copy_to_user(void __user *to, const void *from, unsigned long n)
 {
 	prefetch(from);
 	if (access_ok(VERIFY_WRITE, to, n))
@@ -22,7 +22,7 @@ __generic_copy_to_user(void *to, const void *from, unsigned long n)
 }
 
 unsigned long
-__generic_copy_from_user(void *to, const void *from, unsigned long n)
+__generic_copy_from_user(void *to, const void __user *from, unsigned long n)
 {
 	prefetchw(to);
 	if (access_ok(VERIFY_READ, from, n))
@@ -111,7 +111,7 @@ do {									\
 #endif /* CONFIG_ISA_DUAL_ISSUE */
 
 long
-__strncpy_from_user(char *dst, const char *src, long count)
+__strncpy_from_user(char *dst, const char __user *src, long count)
 {
 	long res;
 	__do_strncpy_from_user(dst, src, count, res);
@@ -119,7 +119,7 @@ __strncpy_from_user(char *dst, const char *src, long count)
 }
 
 long
-strncpy_from_user(char *dst, const char *src, long count)
+strncpy_from_user(char *dst, const char __user *src, long count)
 {
 	long res = -EFAULT;
 	if (access_ok(VERIFY_READ, src, 1))
@@ -222,7 +222,7 @@ do {									\
 #endif /* not CONFIG_ISA_DUAL_ISSUE */
 
 unsigned long
-clear_user(void *to, unsigned long n)
+clear_user(void __user *to, unsigned long n)
 {
 	if (access_ok(VERIFY_WRITE, to, n))
 		__do_clear_user(to, n);
@@ -230,7 +230,7 @@ clear_user(void *to, unsigned long n)
 }
 
 unsigned long
-__clear_user(void *to, unsigned long n)
+__clear_user(void __user *to, unsigned long n)
 {
 	__do_clear_user(to, n);
 	return n;
@@ -244,7 +244,7 @@ __clear_user(void *to, unsigned long n)
 
 #ifdef CONFIG_ISA_DUAL_ISSUE
 
-long strnlen_user(const char *s, long n)
+long strnlen_user(const char __user *s, long n)
 {
 	unsigned long mask = -__addr_ok(s);
 	unsigned long res;
@@ -313,7 +313,7 @@ long strnlen_user(const char *s, long n)
 
 #else /* not CONFIG_ISA_DUAL_ISSUE */
 
-long strnlen_user(const char *s, long n)
+long strnlen_user(const char __user *s, long n)
 {
 	unsigned long mask = -__addr_ok(s);
 	unsigned long res;
diff --git a/include/asm-m32r/uaccess.h b/include/asm-m32r/uaccess.h
index 93d863c455a1..0da7c47d2f01 100644
--- a/include/asm-m32r/uaccess.h
+++ b/include/asm-m32r/uaccess.h
@@ -208,7 +208,8 @@ extern void __get_user_4(void);
  * On error, the variable @x is set to zero.
  */
 #define get_user(x,ptr)							\
-({	int __ret_gu,__val_gu;						\
+({	int __ret_gu;							\
+	unsigned long __val_gu;						\
 	__chk_user_ptr(ptr);						\
 	switch(sizeof (*(ptr))) {					\
 	case 1:  __get_user_x(1,__ret_gu,__val_gu,ptr); break;		\
@@ -403,7 +404,8 @@ struct __large_struct { unsigned long buf[100]; };
 
 #define __get_user_nocheck(x,ptr,size)					\
 ({									\
-	long __gu_err, __gu_val;					\
+	long __gu_err;							\
+	unsigned long __gu_val;						\
 	__get_user_size(__gu_val,(ptr),(size),__gu_err);		\
 	(x) = (__typeof__(*(ptr)))__gu_val;				\
 	__gu_err;							\
@@ -594,8 +596,8 @@ static inline unsigned long __generic_copy_to_user_nocheck(void __user *to,
 	return n;
 }
 
-unsigned long __generic_copy_to_user(void *, const void *, unsigned long);
-unsigned long __generic_copy_from_user(void *, const void *, unsigned long);
+unsigned long __generic_copy_to_user(void __user *, const void *, unsigned long);
+unsigned long __generic_copy_from_user(void *, const void __user *, unsigned long);
 
 /**
  * __copy_to_user: - Copy a block of data into user space, with less checking.