From: Al Viro <viro@ftp.linux.org.uk>
To: linux-m68k@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH 22/36] m68k: basic __user annotations
Date: Thu, 22 Dec 2005 04:50:54 +0000 [thread overview]
Message-ID: <E1EpIPm-0004sd-LP@ZenIV.linux.org.uk> (raw)
From: Al Viro <viro@zeniv.linux.org.uk>
Date: 1133512703 -0500
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
include/asm-m68k/uaccess.h | 18 ++++++++++--------
1 files changed, 10 insertions(+), 8 deletions(-)
14c881493778a59f2642397704ab2f662fbcc3a9
diff --git a/include/asm-m68k/uaccess.h b/include/asm-m68k/uaccess.h
index f5cedf1..a653bf8 100644
--- a/include/asm-m68k/uaccess.h
+++ b/include/asm-m68k/uaccess.h
@@ -42,6 +42,7 @@ struct exception_table_entry
({ \
int __pu_err; \
typeof(*(ptr)) __pu_val = (x); \
+ __chk_user_ptr(ptr); \
switch (sizeof (*(ptr))) { \
case 1: \
__put_user_asm(__pu_err, __pu_val, ptr, b); \
@@ -91,6 +92,7 @@ __asm__ __volatile__ \
({ \
int __gu_err; \
typeof(*(ptr)) __gu_val; \
+ __chk_user_ptr(ptr); \
switch (sizeof(*(ptr))) { \
case 1: \
__get_user_asm(__gu_err, __gu_val, ptr, b, "=d"); \
@@ -105,7 +107,7 @@ __asm__ __volatile__ \
__gu_err = __constant_copy_from_user(&__gu_val, ptr, 8); \
break; \
default: \
- __gu_val = 0; \
+ __gu_val = (typeof(*(ptr)))0; \
__gu_err = __get_user_bad(); \
break; \
} \
@@ -134,7 +136,7 @@ __asm__ __volatile__ \
: "m"(*(ptr)), "i" (-EFAULT), "0"(0))
static inline 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)
{
unsigned long tmp;
__asm__ __volatile__
@@ -189,7 +191,7 @@ __generic_copy_from_user(void *to, const
}
static inline 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)
{
unsigned long tmp;
__asm__ __volatile__
@@ -264,7 +266,7 @@ __generic_copy_to_user(void *to, const v
: "d0", "memory")
static inline unsigned long
-__constant_copy_from_user(void *to, const void *from, unsigned long n)
+__constant_copy_from_user(void *to, const void __user *from, unsigned long n)
{
switch (n) {
case 0:
@@ -520,7 +522,7 @@ __constant_copy_from_user(void *to, cons
#define __copy_from_user_inatomic __copy_from_user
static inline unsigned long
-__constant_copy_to_user(void *to, const void *from, unsigned long n)
+__constant_copy_to_user(void __user *to, const void *from, unsigned long n)
{
switch (n) {
case 0:
@@ -766,7 +768,7 @@ __constant_copy_to_user(void *to, const
*/
static inline long
-strncpy_from_user(char *dst, const char *src, long count)
+strncpy_from_user(char *dst, const char __user *src, long count)
{
long res;
if (count == 0) return count;
@@ -799,7 +801,7 @@ strncpy_from_user(char *dst, const char
*
* Return 0 on exception, a value greater than N if too long
*/
-static inline long strnlen_user(const char *src, long n)
+static inline long strnlen_user(const char __user *src, long n)
{
long res;
@@ -842,7 +844,7 @@ static inline long strnlen_user(const ch
*/
static inline unsigned long
-clear_user(void *to, unsigned long n)
+clear_user(void __user *to, unsigned long n)
{
__asm__ __volatile__
(" tstl %1\n"
--
0.99.9.GIT
reply other threads:[~2005-12-22 4:51 UTC|newest]
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