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3dfb7379
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体验新版 GitCode,发现更多精彩内容 >>
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3dfb7379
编写于
3月 09, 2007
作者:
L
Len Brown
浏览文件
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差异文件
Pull bugzilla-6859 into release branch
上级
63be2d93
2f894ef9
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
23 addition
and
2 deletion
+23
-2
drivers/acpi/resources/rscreate.c
drivers/acpi/resources/rscreate.c
+23
-2
未找到文件。
drivers/acpi/resources/rscreate.c
浏览文件 @
3dfb7379
...
...
@@ -191,6 +191,9 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
user_prt
=
ACPI_CAST_PTR
(
struct
acpi_pci_routing_table
,
buffer
);
for
(
index
=
0
;
index
<
number_of_elements
;
index
++
)
{
int
source_name_index
=
2
;
int
source_index_index
=
3
;
/*
* Point user_prt past this current structure
*
...
...
@@ -260,11 +263,29 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
return_ACPI_STATUS
(
AE_BAD_DATA
);
}
/*
* If BIOS erroneously reversed the _PRT source_name and source_index,
* then reverse them back.
*/
if
(
ACPI_GET_OBJECT_TYPE
(
sub_object_list
[
3
])
!=
ACPI_TYPE_INTEGER
)
{
if
(
acpi_gbl_enable_interpreter_slack
)
{
source_name_index
=
3
;
source_index_index
=
2
;
printk
(
KERN_WARNING
"ACPI: Handling Garbled _PRT entry
\n
"
);
}
else
{
ACPI_ERROR
((
AE_INFO
,
"(PRT[%X].source_index) Need Integer, found %s"
,
index
,
acpi_ut_get_object_type_name
(
sub_object_list
[
3
])));
return_ACPI_STATUS
(
AE_BAD_DATA
);
}
}
/*
* 3) Third subobject: Dereference the PRT.source_name
* The name may be unresolved (slack mode), so allow a null object
*/
obj_desc
=
sub_object_list
[
2
];
obj_desc
=
sub_object_list
[
source_name_index
];
if
(
obj_desc
)
{
switch
(
ACPI_GET_OBJECT_TYPE
(
obj_desc
))
{
case
ACPI_TYPE_LOCAL_REFERENCE
:
...
...
@@ -339,7 +360,7 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
/* 4) Fourth subobject: Dereference the PRT.source_index */
obj_desc
=
sub_object_list
[
3
];
obj_desc
=
sub_object_list
[
source_index_index
];
if
(
ACPI_GET_OBJECT_TYPE
(
obj_desc
)
==
ACPI_TYPE_INTEGER
)
{
user_prt
->
source_index
=
(
u32
)
obj_desc
->
integer
.
value
;
}
else
{
...
...
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