From: Bob Moore Date: Tue, 10 Jun 2008 05:00:32 +0000 (+0800) Subject: ACPICA: Fix to allow zero-length ASL field declarations X-Git-Tag: v2.6.26-rc6~10^2~6 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7aa7d4336df34e32195557a1ad422627bd69ef0b;p=platform%2Fkernel%2Flinux-stable.git ACPICA: Fix to allow zero-length ASL field declarations 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 Signed-off-by: Lin Ming Signed-off-by: Len Brown --- diff --git a/drivers/acpi/dispatcher/dsfield.c b/drivers/acpi/dispatcher/dsfield.c index c7807831..f988a5e 100644 --- a/drivers/acpi/dispatcher/dsfield.c +++ b/drivers/acpi/dispatcher/dsfield.c @@ -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) { /*