On Mon, 2016-11-07 at 01:04 +0000, Song Hongyan wrote:
> Initialize user buffer with 0s. This will avoid random data in the
> buffer,
> when the user buffer size is bigger than the actual report size.
>
> Signed-off-by: Song Hongyan <hongyan.song@xxxxxxxxx>
> ---
> drivers/hid/hid-sensor-hub.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/hid/hid-sensor-hub.c b/drivers/hid/hid-sensor-
> hub.c
> index 658a607..980992c 100644
> --- a/drivers/hid/hid-sensor-hub.c
> +++ b/drivers/hid/hid-sensor-hub.c
> @@ -212,6 +212,7 @@ int sensor_hub_set_feature(struct
> hid_sensor_hub_device *hsdev, u32 report_id,
> __s32 value;
> int ret = 0;
>
I think you wanted this change in sensor_hub_get_feature
not sensor_hub_set_feature().
> + memset(buffer, 0, buffer_size);
> mutex_lock(&data->mutex);
> report = sensor_hub_report(report_id, hsdev->hdev,
> HID_FEATURE_REPORT);
> if (!report || (field_index >= report->maxfield)) {��.n��������+%������w��{.n�����{��(��)�� jg��� �����ݢj����G���� ���j:+v���w�m������w�������h�����٥
