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Kirill Smelkov
linux
Commits
2d0d1430
Commit
2d0d1430
authored
Jun 03, 2004
by
Alexander Viro
Committed by
Linus Torvalds
Jun 03, 2004
Browse files
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Plain Diff
[PATCH] sparse: drivers/char/i8 annotation
parent
9e220970
Changes
1
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Inline
Side-by-side
Showing
1 changed file
with
11 additions
and
11 deletions
+11
-11
drivers/char/i8k.c
drivers/char/i8k.c
+11
-11
No files found.
drivers/char/i8k.c
View file @
2d0d1430
...
@@ -79,7 +79,7 @@ MODULE_PARM_DESC(force, "Force loading without checking for supported models");
...
@@ -79,7 +79,7 @@ MODULE_PARM_DESC(force, "Force loading without checking for supported models");
MODULE_PARM_DESC
(
restricted
,
"Allow fan control if SYS_ADMIN capability set"
);
MODULE_PARM_DESC
(
restricted
,
"Allow fan control if SYS_ADMIN capability set"
);
MODULE_PARM_DESC
(
power_status
,
"Report power status in /proc/i8k"
);
MODULE_PARM_DESC
(
power_status
,
"Report power status in /proc/i8k"
);
static
ssize_t
i8k_read
(
struct
file
*
,
char
*
,
size_t
,
loff_t
*
);
static
ssize_t
i8k_read
(
struct
file
*
,
char
__user
*
,
size_t
,
loff_t
*
);
static
int
i8k_ioctl
(
struct
inode
*
,
struct
file
*
,
unsigned
int
,
static
int
i8k_ioctl
(
struct
inode
*
,
struct
file
*
,
unsigned
int
,
unsigned
long
);
unsigned
long
);
...
@@ -330,10 +330,10 @@ static int i8k_ioctl(struct inode *ip, struct file *fp, unsigned int cmd,
...
@@ -330,10 +330,10 @@ static int i8k_ioctl(struct inode *ip, struct file *fp, unsigned int cmd,
int
val
;
int
val
;
int
speed
;
int
speed
;
unsigned
char
buff
[
16
];
unsigned
char
buff
[
16
];
int
__user
*
argp
=
(
int
__user
*
)
arg
;
if
(
!
arg
)
{
if
(
!
arg
p
)
return
-
EINVAL
;
return
-
EINVAL
;
}
switch
(
cmd
)
{
switch
(
cmd
)
{
case
I8K_BIOS_VERSION
:
case
I8K_BIOS_VERSION
:
...
@@ -358,14 +358,14 @@ static int i8k_ioctl(struct inode *ip, struct file *fp, unsigned int cmd,
...
@@ -358,14 +358,14 @@ static int i8k_ioctl(struct inode *ip, struct file *fp, unsigned int cmd,
break
;
break
;
case
I8K_GET_SPEED
:
case
I8K_GET_SPEED
:
if
(
copy_from_user
(
&
val
,
(
int
*
)
arg
,
sizeof
(
int
)))
{
if
(
copy_from_user
(
&
val
,
argp
,
sizeof
(
int
)))
{
return
-
EFAULT
;
return
-
EFAULT
;
}
}
val
=
i8k_get_fan_speed
(
val
);
val
=
i8k_get_fan_speed
(
val
);
break
;
break
;
case
I8K_GET_FAN
:
case
I8K_GET_FAN
:
if
(
copy_from_user
(
&
val
,
(
int
*
)
arg
,
sizeof
(
int
)))
{
if
(
copy_from_user
(
&
val
,
argp
,
sizeof
(
int
)))
{
return
-
EFAULT
;
return
-
EFAULT
;
}
}
val
=
i8k_get_fan_status
(
val
);
val
=
i8k_get_fan_status
(
val
);
...
@@ -375,10 +375,10 @@ static int i8k_ioctl(struct inode *ip, struct file *fp, unsigned int cmd,
...
@@ -375,10 +375,10 @@ static int i8k_ioctl(struct inode *ip, struct file *fp, unsigned int cmd,
if
(
restricted
&&
!
capable
(
CAP_SYS_ADMIN
))
{
if
(
restricted
&&
!
capable
(
CAP_SYS_ADMIN
))
{
return
-
EPERM
;
return
-
EPERM
;
}
}
if
(
copy_from_user
(
&
val
,
(
int
*
)
arg
,
sizeof
(
int
)))
{
if
(
copy_from_user
(
&
val
,
argp
,
sizeof
(
int
)))
{
return
-
EFAULT
;
return
-
EFAULT
;
}
}
if
(
copy_from_user
(
&
speed
,
(
int
*
)
arg
+
1
,
sizeof
(
int
)))
{
if
(
copy_from_user
(
&
speed
,
argp
+
1
,
sizeof
(
int
)))
{
return
-
EFAULT
;
return
-
EFAULT
;
}
}
val
=
i8k_set_fan
(
val
,
speed
);
val
=
i8k_set_fan
(
val
,
speed
);
...
@@ -394,17 +394,17 @@ static int i8k_ioctl(struct inode *ip, struct file *fp, unsigned int cmd,
...
@@ -394,17 +394,17 @@ static int i8k_ioctl(struct inode *ip, struct file *fp, unsigned int cmd,
switch
(
cmd
)
{
switch
(
cmd
)
{
case
I8K_BIOS_VERSION
:
case
I8K_BIOS_VERSION
:
if
(
copy_to_user
(
(
int
*
)
arg
,
&
val
,
4
))
{
if
(
copy_to_user
(
argp
,
&
val
,
4
))
{
return
-
EFAULT
;
return
-
EFAULT
;
}
}
break
;
break
;
case
I8K_MACHINE_ID
:
case
I8K_MACHINE_ID
:
if
(
copy_to_user
(
(
int
*
)
arg
,
buff
,
16
))
{
if
(
copy_to_user
(
argp
,
buff
,
16
))
{
return
-
EFAULT
;
return
-
EFAULT
;
}
}
break
;
break
;
default:
default:
if
(
copy_to_user
(
(
int
*
)
arg
,
&
val
,
sizeof
(
int
)))
{
if
(
copy_to_user
(
argp
,
&
val
,
sizeof
(
int
)))
{
return
-
EFAULT
;
return
-
EFAULT
;
}
}
break
;
break
;
...
@@ -462,7 +462,7 @@ static int i8k_get_info(char *buffer, char **start, off_t fpos, int length)
...
@@ -462,7 +462,7 @@ static int i8k_get_info(char *buffer, char **start, off_t fpos, int length)
return
n
;
return
n
;
}
}
static
ssize_t
i8k_read
(
struct
file
*
f
,
char
*
buffer
,
size_t
len
,
loff_t
*
fpos
)
static
ssize_t
i8k_read
(
struct
file
*
f
,
char
__user
*
buffer
,
size_t
len
,
loff_t
*
fpos
)
{
{
int
n
;
int
n
;
char
info
[
128
];
char
info
[
128
];
...
...
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