Hi Wei,
On Fri, Aug 23, 2013 at 10:53:00AM +0800, Wei Yongjun wrote:
> From: Wei Yongjun <yongjun_...@trendmicro.com.cn>
>
> Fix to return a negative error code from the urb submit error
> handling case instead of 0, as done elsewhere in this function.
>
> Signed-off-by: Wei Yongjun <yongjun_...@trendmicro.com.cn>
> ---
> drivers/input/tablet/wacom_sys.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/input/tablet/wacom_sys.c
> b/drivers/input/tablet/wacom_sys.c
> index aaf23ae..7eeac61 100644
> --- a/drivers/input/tablet/wacom_sys.c
> +++ b/drivers/input/tablet/wacom_sys.c
> @@ -1366,7 +1366,8 @@ static int wacom_probe(struct usb_interface *intf,
> const struct usb_device_id *i
> usb_set_intfdata(intf, wacom);
>
> if (features->quirks & WACOM_QUIRK_MONITOR) {
> - if (usb_submit_urb(wacom->irq, GFP_KERNEL))
> + error = usb_submit_urb(wacom->irq, GFP_KERNEL);
> + if (error)
> goto fail5;
> }
If I remember correctly usb_submit_urb() uses errno definitions in a
creative way, so returning them verbatim to the upper layers is not teh
beset solution. I will change this to return -EIO instead.
Thanks.
--
Dmitry
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