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Kirill Smelkov
linux
Commits
bc396692
Commit
bc396692
authored
Apr 16, 2010
by
Len Brown
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Merge branch 'bugzilla-15749' into release
parents
dc57da38
2060c445
Changes
1
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11 additions
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6 deletions
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-6
drivers/acpi/acpica/exprep.c
drivers/acpi/acpica/exprep.c
+11
-6
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drivers/acpi/acpica/exprep.c
View file @
bc396692
...
...
@@ -471,13 +471,18 @@ acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info)
/* allow full data read from EC address space */
if
(
obj_desc
->
field
.
region_obj
->
region
.
space_id
==
ACPI_ADR_SPACE_EC
)
{
if
(
obj_desc
->
common_field
.
bit_length
>
8
)
obj_desc
->
common_field
.
access_bit_width
=
ACPI_ROUND_UP
(
obj_desc
->
common_field
.
bit_length
,
8
);
if
(
obj_desc
->
common_field
.
bit_length
>
8
)
{
unsigned
width
=
ACPI_ROUND_BITS_UP_TO_BYTES
(
obj_desc
->
common_field
.
bit_length
);
// access_bit_width is u8, don't overflow it
if
(
width
>
8
)
width
=
8
;
obj_desc
->
common_field
.
access_byte_width
=
ACPI_DIV_8
(
obj_desc
->
common_field
.
access_bit_width
);
width
;
obj_desc
->
common_field
.
access_bit_width
=
8
*
width
;
}
}
ACPI_DEBUG_PRINT
((
ACPI_DB_BFIELD
,
...
...
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