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Kirill Smelkov
linux
Commits
6df4b730
Commit
6df4b730
authored
Apr 28, 2004
by
Linus Torvalds
Browse files
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Plain Diff
Add __user annotations to ppc64 user access functions.
parent
533a071f
Changes
1
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Showing
1 changed file
with
17 additions
and
17 deletions
+17
-17
include/asm-ppc64/uaccess.h
include/asm-ppc64/uaccess.h
+17
-17
No files found.
include/asm-ppc64/uaccess.h
View file @
6df4b730
...
...
@@ -56,7 +56,7 @@
#define access_ok(type,addr,size) \
__access_ok(((unsigned long)(addr)),(size),get_fs())
static
inline
int
verify_area
(
int
type
,
const
void
*
addr
,
unsigned
long
size
)
static
inline
int
verify_area
(
int
type
,
const
void
__user
*
addr
,
unsigned
long
size
)
{
return
access_ok
(
type
,
addr
,
size
)
?
0
:
-
EFAULT
;
}
...
...
@@ -214,7 +214,7 @@ do { \
/* more complex routines */
extern
unsigned
long
__copy_tofrom_user
(
void
*
to
,
const
void
*
from
,
extern
unsigned
long
__copy_tofrom_user
(
void
__user
*
to
,
const
void
__user
*
from
,
unsigned
long
size
);
static
inline
unsigned
long
...
...
@@ -239,7 +239,7 @@ __copy_from_user(void *to, const void __user *from, unsigned long n)
return
ret
;
}
}
return
__copy_tofrom_user
(
to
,
from
,
n
);
return
__copy_tofrom_user
(
(
void
__user
*
)
to
,
from
,
n
);
}
static
inline
unsigned
long
...
...
@@ -251,27 +251,27 @@ __copy_to_user(void __user *to, const void *from, unsigned long n)
switch
(
n
)
{
case
1
:
__put_user_size
(
*
(
u8
*
)
from
,
(
u8
*
)
to
,
1
,
ret
,
1
);
__put_user_size
(
*
(
u8
*
)
from
,
(
u8
__user
*
)
to
,
1
,
ret
,
1
);
return
ret
;
case
2
:
__put_user_size
(
*
(
u16
*
)
from
,
(
u16
*
)
to
,
2
,
ret
,
2
);
__put_user_size
(
*
(
u16
*
)
from
,
(
u16
__user
*
)
to
,
2
,
ret
,
2
);
return
ret
;
case
4
:
__put_user_size
(
*
(
u32
*
)
from
,
(
u32
*
)
to
,
4
,
ret
,
4
);
__put_user_size
(
*
(
u32
*
)
from
,
(
u32
__user
*
)
to
,
4
,
ret
,
4
);
return
ret
;
case
8
:
__put_user_size
(
*
(
u64
*
)
from
,
(
u64
*
)
to
,
8
,
ret
,
8
);
__put_user_size
(
*
(
u64
*
)
from
,
(
u64
__user
*
)
to
,
8
,
ret
,
8
);
return
ret
;
}
}
return
__copy_tofrom_user
(
to
,
from
,
n
);
return
__copy_tofrom_user
(
to
,
(
const
void
__user
*
)
from
,
n
);
}
#define __copy_in_user(to, from, size) \
__copy_tofrom_user((to), (from), (size))
static
inline
unsigned
long
copy_from_user
(
void
*
to
,
const
void
*
from
,
unsigned
long
n
)
copy_from_user
(
void
*
to
,
const
void
__user
*
from
,
unsigned
long
n
)
{
if
(
likely
(
access_ok
(
VERIFY_READ
,
from
,
n
)))
n
=
__copy_from_user
(
to
,
from
,
n
);
...
...
@@ -281,7 +281,7 @@ copy_from_user(void *to, const void *from, unsigned long n)
}
static
inline
unsigned
long
copy_to_user
(
void
*
to
,
const
void
*
from
,
unsigned
long
n
)
copy_to_user
(
void
__user
*
to
,
const
void
*
from
,
unsigned
long
n
)
{
if
(
likely
(
access_ok
(
VERIFY_WRITE
,
to
,
n
)))
n
=
__copy_to_user
(
to
,
from
,
n
);
...
...
@@ -289,7 +289,7 @@ copy_to_user(void *to, const void *from, unsigned long n)
}
static
inline
unsigned
long
copy_in_user
(
void
*
to
,
const
void
*
from
,
unsigned
long
n
)
copy_in_user
(
void
__user
*
to
,
const
void
__user
*
from
,
unsigned
long
n
)
{
might_sleep
();
if
(
likely
(
access_ok
(
VERIFY_READ
,
from
,
n
)
&&
...
...
@@ -298,10 +298,10 @@ copy_in_user(void *to, const void *from, unsigned long n)
return
n
;
}
extern
unsigned
long
__clear_user
(
void
*
addr
,
unsigned
long
size
);
extern
unsigned
long
__clear_user
(
void
__user
*
addr
,
unsigned
long
size
);
static
inline
unsigned
long
clear_user
(
void
*
addr
,
unsigned
long
size
)
clear_user
(
void
__user
*
addr
,
unsigned
long
size
)
{
might_sleep
();
if
(
likely
(
access_ok
(
VERIFY_WRITE
,
addr
,
size
)))
...
...
@@ -309,10 +309,10 @@ clear_user(void *addr, unsigned long size)
return
size
;
}
extern
int
__strncpy_from_user
(
char
*
dst
,
const
char
*
src
,
long
count
);
extern
int
__strncpy_from_user
(
char
*
dst
,
const
char
__user
*
src
,
long
count
);
static
inline
long
strncpy_from_user
(
char
*
dst
,
const
char
*
src
,
long
count
)
strncpy_from_user
(
char
*
dst
,
const
char
__user
*
src
,
long
count
)
{
might_sleep
();
if
(
likely
(
access_ok
(
VERIFY_READ
,
src
,
1
)))
...
...
@@ -325,14 +325,14 @@ strncpy_from_user(char *dst, const char *src, long count)
*
* Return 0 for error
*/
extern
int
__strnlen_user
(
const
char
*
str
,
long
len
);
extern
int
__strnlen_user
(
const
char
__user
*
str
,
long
len
);
/*
* Returns the length of the string at str (including the null byte),
* or 0 if we hit a page we can't access,
* or something > len if we didn't find a null byte.
*/
static
inline
int
strnlen_user
(
const
char
*
str
,
long
len
)
static
inline
int
strnlen_user
(
const
char
__user
*
str
,
long
len
)
{
might_sleep
();
if
(
likely
(
access_ok
(
VERIFY_READ
,
str
,
1
)))
...
...
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