diff options
Diffstat (limited to 'drivers/acpi/resources/rsmisc.c')
| -rw-r--r-- | drivers/acpi/resources/rsmisc.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/acpi/resources/rsmisc.c b/drivers/acpi/resources/rsmisc.c index ed866cf1c6d2..095730196a8a 100644 --- a/drivers/acpi/resources/rsmisc.c +++ b/drivers/acpi/resources/rsmisc.c @@ -84,6 +84,7 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource, ACPI_FUNCTION_TRACE("rs_get_resource"); if (((acpi_native_uint) resource) & 0x3) { + /* Each internal resource struct is expected to be 32-bit aligned */ ACPI_WARNING((AE_INFO, @@ -295,9 +296,11 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource, exit: if (!flags_mode) { + /* Round the resource struct length up to the next 32-bit boundary */ - resource->length = ACPI_ROUND_UP_to_32_bITS(resource->length); + resource->length = + (u32) ACPI_ROUND_UP_to_32_bITS(resource->length); } return_ACPI_STATUS(AE_OK); } @@ -535,6 +538,7 @@ if (((aml->irq.flags & 0x09) == 0x00) || ((aml->irq.flags & 0x09) == 0x09)) { resource->data.extended_irq.interrupt_count = temp8; if (temp8 < 1) { + /* Must have at least one IRQ */ return_ACPI_STATUS(AE_AML_BAD_RESOURCE_LENGTH); |