diff options
Diffstat (limited to 'drivers/platform/x86/alienware-wmi.c')
| -rw-r--r-- | drivers/platform/x86/alienware-wmi.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/drivers/platform/x86/alienware-wmi.c b/drivers/platform/x86/alienware-wmi.c index f10af5c383c5..c0d1555735cd 100644 --- a/drivers/platform/x86/alienware-wmi.c +++ b/drivers/platform/x86/alienware-wmi.c @@ -522,23 +522,22 @@ static acpi_status alienware_wmax_command(struct wmax_basic_args *in_args, input.length = (acpi_size) sizeof(*in_args); input.pointer = in_args; - if (out_data != NULL) { + if (out_data) { output.length = ACPI_ALLOCATE_BUFFER; output.pointer = NULL; status = wmi_evaluate_method(WMAX_CONTROL_GUID, 0, command, &input, &output); - } else + if (ACPI_SUCCESS(status)) { + obj = (union acpi_object *)output.pointer; + if (obj && obj->type == ACPI_TYPE_INTEGER) + *out_data = (u32)obj->integer.value; + } + kfree(output.pointer); + } else { status = wmi_evaluate_method(WMAX_CONTROL_GUID, 0, command, &input, NULL); - - if (ACPI_SUCCESS(status) && out_data != NULL) { - obj = (union acpi_object *)output.pointer; - if (obj && obj->type == ACPI_TYPE_INTEGER) - *out_data = (u32) obj->integer.value; } - kfree(output.pointer); return status; - } /* |