On Mon, Aug 12, 2019 at 9:29 AM Benjamin Tissoires
<benjamin.tissoires@xxxxxxxxxx> wrote:
>
> This is a common pattern in the HID drivers to reset the drvdata.
> However, this is actually already handled by driver core, so there
> is no need to do it manually.
>
> Signed-off-by: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx>
Acked-by: Jason Gerecke <jason.gerecke@xxxxxxxxx>
Jason
---
Now instead of four in the eights place /
you’ve got three, ‘Cause you added one /
(That is to say, eight) to the two, /
But you can’t take seven from three, /
So you look at the sixty-fours....
> ---
> drivers/hid/wacom_sys.c | 18 +++++-------------
> 1 file changed, 5 insertions(+), 13 deletions(-)
>
> diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c
> index 53bddb50aeba..69ccfdd51a6f 100644
> --- a/drivers/hid/wacom_sys.c
> +++ b/drivers/hid/wacom_sys.c
> @@ -2718,14 +2718,12 @@ static int wacom_probe(struct hid_device *hdev,
> wacom_wac->features = *((struct wacom_features *)id->driver_data);
> features = &wacom_wac->features;
>
> - if (features->check_for_hid_type && features->hid_type != hdev->type) {
> - error = -ENODEV;
> - goto fail;
> - }
> + if (features->check_for_hid_type && features->hid_type != hdev->type)
> + return -ENODEV;
>
> error = kfifo_alloc(&wacom_wac->pen_fifo, WACOM_PKGLEN_MAX, GFP_KERNEL);
> if (error)
> - goto fail;
> + return error;
>
> wacom_wac->hid_data.inputmode = -1;
> wacom_wac->mode_report = -1;
> @@ -2743,12 +2741,12 @@ static int wacom_probe(struct hid_device *hdev,
> error = hid_parse(hdev);
> if (error) {
> hid_err(hdev, "parse failed\n");
> - goto fail;
> + return error;
> }
>
> error = wacom_parse_and_register(wacom, false);
> if (error)
> - goto fail;
> + return error;
>
> if (hdev->bus == BUS_BLUETOOTH) {
> error = device_create_file(&hdev->dev, &dev_attr_speed);
> @@ -2759,10 +2757,6 @@ static int wacom_probe(struct hid_device *hdev,
> }
>
> return 0;
> -
> -fail:
> - hid_set_drvdata(hdev, NULL);
> - return error;
> }
>
> static void wacom_remove(struct hid_device *hdev)
> @@ -2791,8 +2785,6 @@ static void wacom_remove(struct hid_device *hdev)
> wacom_release_resources(wacom);
>
> kfifo_free(&wacom_wac->pen_fifo);
> -
> - hid_set_drvdata(hdev, NULL);
> }
>
> #ifdef CONFIG_PM
> --
> 2.19.2
>
