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nexedi
linux
Commits
32c1957c
Commit
32c1957c
authored
Jun 18, 2004
by
Alexander Viro
Committed by
Linus Torvalds
Jun 18, 2004
Browse files
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Plain Diff
[PATCH] sparse: drivers/video/sis annotation
parent
bd6f903c
Changes
1
Hide whitespace changes
Inline
Side-by-side
Showing
1 changed file
with
16 additions
and
15 deletions
+16
-15
drivers/video/sis/sis_main.c
drivers/video/sis/sis_main.c
+16
-15
No files found.
drivers/video/sis/sis_main.c
View file @
32c1957c
...
...
@@ -2057,17 +2057,18 @@ sisfb_ioctl(struct inode *inode, struct file *file,
sisfb_info
x
;
u32
gpu32
=
0
;
static
int
count
=
0
;
u32
__user
*
argp
=
(
u32
__user
*
)
arg
;
switch
(
cmd
)
{
case
FBIO_ALLOC
:
if
(
!
capable
(
CAP_SYS_RAWIO
))
{
return
-
EPERM
;
}
if
(
copy_from_user
(
&
sismemreq
,
(
void
*
)
arg
,
sizeof
(
sismemreq
)))
{
if
(
copy_from_user
(
&
sismemreq
,
argp
,
sizeof
(
sismemreq
)))
{
return
-
EFAULT
;
}
sis_malloc
(
&
sismemreq
);
if
(
copy_to_user
(
(
void
*
)
arg
,
&
sismemreq
,
sizeof
(
sismemreq
)))
{
if
(
copy_to_user
(
argp
,
&
sismemreq
,
sizeof
(
sismemreq
)))
{
sis_free
((
u32
)
sismemreq
.
offset
);
return
-
EFAULT
;
}
...
...
@@ -2077,7 +2078,7 @@ sisfb_ioctl(struct inode *inode, struct file *file,
if
(
!
capable
(
CAP_SYS_RAWIO
))
{
return
-
EPERM
;
}
if
(
get_user
(
gpu32
,
(
u32
*
)
arg
))
{
if
(
get_user
(
gpu32
,
argp
))
{
return
-
EFAULT
;
}
sis_free
(
gpu32
);
...
...
@@ -2086,13 +2087,13 @@ sisfb_ioctl(struct inode *inode, struct file *file,
case
FBIOGET_VBLANK
:
sisvbblank
.
count
=
0
;
sisvbblank
.
flags
=
sisfb_setupvbblankflags
(
ivideo
,
&
sisvbblank
.
vcount
,
&
sisvbblank
.
hcount
);
if
(
copy_to_user
(
(
void
*
)
arg
,
&
sisvbblank
,
sizeof
(
sisvbblank
)))
{
if
(
copy_to_user
(
argp
,
&
sisvbblank
,
sizeof
(
sisvbblank
)))
{
return
-
EFAULT
;
}
break
;
case
SISFB_GET_INFO_SIZE
:
return
put_user
(
sizeof
(
sisfb_info
),
(
u32
*
)
arg
);
return
put_user
(
sizeof
(
sisfb_info
),
argp
);
case
SISFB_GET_INFO_OLD
:
if
(
++
count
<
50
)
{
...
...
@@ -2132,7 +2133,7 @@ sisfb_ioctl(struct inode *inode, struct file *file,
x
.
sisfb_tvxpos
=
(
u16
)(
ivideo
->
tvxpos
+
32
);
x
.
sisfb_tvypos
=
(
u16
)(
ivideo
->
tvypos
+
32
);
if
(
copy_to_user
(
(
void
*
)
arg
,
&
x
,
sizeof
(
x
)))
{
if
(
copy_to_user
(
argp
,
&
x
,
sizeof
(
x
)))
{
return
-
EFAULT
;
}
break
;
...
...
@@ -2143,9 +2144,9 @@ sisfb_ioctl(struct inode *inode, struct file *file,
}
case
SISFB_GET_VBRSTATUS
:
if
(
sisfb_CheckVBRetrace
(
ivideo
))
{
return
put_user
((
u32
)
1
,
(
u32
*
)
arg
);
return
put_user
((
u32
)
1
,
argp
);
}
else
{
return
put_user
((
u32
)
0
,
(
u32
*
)
arg
);
return
put_user
((
u32
)
0
,
argp
);
}
case
SISFB_GET_AUTOMAXIMIZE_OLD
:
...
...
@@ -2153,22 +2154,22 @@ sisfb_ioctl(struct inode *inode, struct file *file,
printk
(
KERN_INFO
"sisfb: Deprecated ioctl call received - update your application!
\n
"
);
}
case
SISFB_GET_AUTOMAXIMIZE
:
if
(
ivideo
->
sisfb_max
)
return
put_user
((
u32
)
1
,
(
u32
*
)
arg
);
else
return
put_user
((
u32
)
0
,
(
u32
*
)
arg
);
if
(
ivideo
->
sisfb_max
)
return
put_user
((
u32
)
1
,
argp
);
else
return
put_user
((
u32
)
0
,
argp
);
case
SISFB_SET_AUTOMAXIMIZE_OLD
:
if
(
++
count
<
50
)
{
printk
(
KERN_INFO
"sisfb: Deprecated ioctl call received - update your application!
\n
"
);
}
case
SISFB_SET_AUTOMAXIMIZE
:
if
(
copy_from_user
(
&
gpu32
,
(
u32
*
)
arg
,
sizeof
(
gpu32
)))
{
if
(
copy_from_user
(
&
gpu32
,
argp
,
sizeof
(
gpu32
)))
{
return
-
EFAULT
;
}
ivideo
->
sisfb_max
=
(
gpu32
)
?
1
:
0
;
break
;
case
SISFB_SET_TVPOSOFFSET
:
if
(
copy_from_user
(
&
gpu32
,
(
u32
*
)
arg
,
sizeof
(
gpu32
)))
{
if
(
copy_from_user
(
&
gpu32
,
argp
,
sizeof
(
gpu32
)))
{
return
-
EFAULT
;
}
sisfb_set_TVxposoffset
(
ivideo
,
((
int
)(
gpu32
>>
16
))
-
32
);
...
...
@@ -2176,10 +2177,10 @@ sisfb_ioctl(struct inode *inode, struct file *file,
break
;
case
SISFB_GET_TVPOSOFFSET
:
return
put_user
((
u32
)(((
ivideo
->
tvxpos
+
32
)
<<
16
)
|
((
ivideo
->
tvypos
+
32
)
&
0xffff
)),
(
u32
*
)
arg
);
return
put_user
((
u32
)(((
ivideo
->
tvxpos
+
32
)
<<
16
)
|
((
ivideo
->
tvypos
+
32
)
&
0xffff
)),
argp
);
case
SISFB_SET_LOCK
:
if
(
copy_from_user
(
&
gpu32
,
(
u32
*
)
arg
,
sizeof
(
gpu32
)))
{
if
(
copy_from_user
(
&
gpu32
,
argp
,
sizeof
(
gpu32
)))
{
return
-
EFAULT
;
}
ivideo
->
sisfblocked
=
(
gpu32
)
?
1
:
0
;
...
...
@@ -4761,7 +4762,7 @@ int __devinit sisfb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
}
else
{
struct
sis_video_info
*
countvideo
=
card_list
;
ivideo
->
cardnumber
=
1
;
while
((
countvideo
=
countvideo
->
next
)
)
ivideo
->
cardnumber
++
;
while
((
countvideo
=
countvideo
->
next
)
!=
NULL
)
ivideo
->
cardnumber
++
;
}
strncpy
(
ivideo
->
myid
,
chipinfo
->
chip_name
,
30
);
...
...
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