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| author | Bob Moore | 2008-06-10 07:00:32 +0200 |
|---|---|---|
| committer | Len Brown | 2008-06-12 01:13:47 +0200 |
| commit | 7aa7d4336df34e32195557a1ad422627bd69ef0b (patch) | |
| tree | f0a5b7fd49d552fddc4cdcae5f97d2846332d8f7 /drivers/acpi/dispatcher/dsfield.c | |
| parent | ACPI: use memory_read_from_buffer() (diff) | |
| download | kernel-qcow2-linux-7aa7d4336df34e32195557a1ad422627bd69ef0b.tar.gz kernel-qcow2-linux-7aa7d4336df34e32195557a1ad422627bd69ef0b.tar.xz kernel-qcow2-linux-7aa7d4336df34e32195557a1ad422627bd69ef0b.zip | |
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 <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/dispatcher/dsfield.c')
| -rw-r--r-- | drivers/acpi/dispatcher/dsfield.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/acpi/dispatcher/dsfield.c b/drivers/acpi/dispatcher/dsfield.c index c78078315be9..f988a5e7d2b4 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) { /* |