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ACPICA: Fix to allow zero-length ASL field declarations

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Allows null field list in Field(), BankField(), and IndexField().

2.6.26-rc1 regression: ACPI fails to load SDT. - Dell M1530
http://bugzilla.kernel.org/show_bug.cgi?id=10606

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Bob Moore 2008-06-10 13:00:32 +08:00 committed by Len Brown
parent 46a21e465e
commit 7aa7d4336d
1 changed files with 1 additions and 4 deletions
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5
drivers/acpi/dispatcher/dsfield.c
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@ -450,10 +450,6 @@ acpi_ds_init_field_objects(union acpi_parse_object *op,
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
if (!arg) {
return_ACPI_STATUS(AE_AML_NO_OPERAND);
}
/* Creating new namespace node(s), should not already exist */
flags = ACPI_NS_NO_UPSEARCH | ACPI_NS_DONT_OPEN_SCOPE |
@ -467,6 +463,7 @@ acpi_ds_init_field_objects(union acpi_parse_object *op,
/*
* Walk the list of entries in the field_list
* Note: field_list can be of zero length. In this case, Arg will be NULL.
*/
while (arg) {
/*