On Fri, 11 Oct 2024, Kurt Borja wrote:
As mentioned, please add the description of the change here.
This change also does int * -> u32 *, which I think is fine but please
mention the justification here. If somebody looks this change 10 years
from now, it helps a lot when the reasoning is recorded into the change.
--
i.
> Signed-off-by: Kurt Borja <kuurtb@xxxxxxxxx>
> ---
> drivers/platform/x86/dell/alienware-wmi.c | 29 ++++++++++++-----------
> 1 file changed, 15 insertions(+), 14 deletions(-)
>
> diff --git a/drivers/platform/x86/dell/alienware-wmi.c b/drivers/platform/x86/dell/alienware-wmi.c
> index 16a3fe9ac..8f7a8bfef 100644
> --- a/drivers/platform/x86/dell/alienware-wmi.c
> +++ b/drivers/platform/x86/dell/alienware-wmi.c
> @@ -500,15 +500,15 @@ static void alienware_zone_exit(struct platform_device *dev)
> kfree(zone_attrs);
> }
>
> -static acpi_status alienware_wmax_command(struct wmax_basic_args *in_args,
> - u32 command, int *out_data)
> +static acpi_status alienware_wmax_command(void *in_args, size_t insize,
> + u32 command, u32 *out_data)
> {
> acpi_status status;
> union acpi_object *obj;
> struct acpi_buffer input;
> struct acpi_buffer output;
>
> - input.length = sizeof(*in_args);
> + input.length = insize;
> input.pointer = in_args;
> if (out_data) {
> output.length = ACPI_ALLOCATE_BUFFER;
> @@ -541,8 +541,8 @@ static ssize_t show_hdmi_cable(struct device *dev,
> .arg = 0,
> };
> status =
> - alienware_wmax_command(&in_args, WMAX_METHOD_HDMI_CABLE,
> - &out_data);
> + alienware_wmax_command(&in_args, sizeof(in_args),
> + WMAX_METHOD_HDMI_CABLE, &out_data);
> if (ACPI_SUCCESS(status)) {
> if (out_data == 0)
> return sysfs_emit(buf, "[unconnected] connected unknown\n");
> @@ -562,8 +562,8 @@ static ssize_t show_hdmi_source(struct device *dev,
> .arg = 0,
> };
> status =
> - alienware_wmax_command(&in_args, WMAX_METHOD_HDMI_STATUS,
> - &out_data);
> + alienware_wmax_command(&in_args, sizeof(in_args),
> + WMAX_METHOD_HDMI_STATUS, &out_data);
>
> if (ACPI_SUCCESS(status)) {
> if (out_data == 1)
> @@ -589,7 +589,8 @@ static ssize_t toggle_hdmi_source(struct device *dev,
> args.arg = 3;
> pr_debug("alienware-wmi: setting hdmi to %d : %s", args.arg, buf);
>
> - status = alienware_wmax_command(&args, WMAX_METHOD_HDMI_SOURCE, NULL);
> + status = alienware_wmax_command(&args, sizeof(args),
> + WMAX_METHOD_HDMI_SOURCE, NULL);
>
> if (ACPI_FAILURE(status))
> pr_err("alienware-wmi: HDMI toggle failed: results: %u\n",
> @@ -642,8 +643,8 @@ static ssize_t show_amplifier_status(struct device *dev,
> .arg = 0,
> };
> status =
> - alienware_wmax_command(&in_args, WMAX_METHOD_AMPLIFIER_CABLE,
> - &out_data);
> + alienware_wmax_command(&in_args, sizeof(in_args),
> + WMAX_METHOD_AMPLIFIER_CABLE, &out_data);
> if (ACPI_SUCCESS(status)) {
> if (out_data == 0)
> return sysfs_emit(buf, "[unconnected] connected unknown\n");
> @@ -694,8 +695,8 @@ static ssize_t show_deepsleep_status(struct device *dev,
> struct wmax_basic_args in_args = {
> .arg = 0,
> };
> - status = alienware_wmax_command(&in_args, WMAX_METHOD_DEEP_SLEEP_STATUS,
> - &out_data);
> + status = alienware_wmax_command(&in_args, sizeof(in_args),
> + WMAX_METHOD_DEEP_SLEEP_STATUS, &out_data);
> if (ACPI_SUCCESS(status)) {
> if (out_data == 0)
> return sysfs_emit(buf, "[disabled] s5 s5_s4\n");
> @@ -723,8 +724,8 @@ static ssize_t toggle_deepsleep(struct device *dev,
> args.arg = 2;
> pr_debug("alienware-wmi: setting deep sleep to %d : %s", args.arg, buf);
>
> - status = alienware_wmax_command(&args, WMAX_METHOD_DEEP_SLEEP_CONTROL,
> - NULL);
> + status = alienware_wmax_command(&args, sizeof(args),
> + WMAX_METHOD_DEEP_SLEEP_CONTROL, NULL);
>
> if (ACPI_FAILURE(status))
> pr_err("alienware-wmi: deep sleep control failed: results: %u\n",
>
