On 7/2/19 3:04 PM, Michal Suchánek wrote:
> On Tue, 2 Jul 2019 13:58:30 +0200
> Marek Vasut <ma...@denx.de> wrote:
> 
>> On 7/1/19 5:56 PM, Michal Suchanek wrote:
>>> Causes unbound key repeat on error otherwise.
>>>
>>> Signed-off-by: Michal Suchanek <msucha...@suse.de>
>>> ---
>>>  common/usb_kbd.c | 7 +++----
>>>  1 file changed, 3 insertions(+), 4 deletions(-)
>>>
>>> diff --git a/common/usb_kbd.c b/common/usb_kbd.c
>>> index cc99c6be0720..948f9fd68490 100644
>>> --- a/common/usb_kbd.c
>>> +++ b/common/usb_kbd.c
>>> @@ -339,10 +339,9 @@ static inline void usb_kbd_poll_for_event(struct 
>>> usb_device *dev)
>>>     struct usb_kbd_pdata *data = dev->privptr;
>>>  
>>>     /* Submit a interrupt transfer request */
>>> -   usb_submit_int_msg(dev, data->intpipe, &data->new[0], data->intpktsize,
>>> -                      data->intinterval);
>>> -
>>> -   usb_kbd_irq_worker(dev);
>>> +   if (!usb_submit_int_msg(dev, data->intpipe, &data->new[0],  
>>
>> Shouldn't you propagate return value from this function ? It can return
>> ENOTSUPP.
>>
> 
> If it did then probing keyboard would fail and we would not get here.

So there is no chance this function could return an error here, ever ?
E.g. what if it's implemented and someone yanks the keyboard cable out
just at the right time ?
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