On 03/20/2013 01:51 PM, Bill Pemberton wrote:
> Jiri Slaby writes:
>>
>>> drivers/usb/serial/quatech2.c: In function 'qt2_process_read_urb':
>>> drivers/usb/serial/quatech2.c:661:18: error: 'struct
>>> qt2_port_private' has no member named 'is_open'
>>> drivers/usb/serial/quatech2.c:705:15: error: 'struct
>>> qt2_port_private' has no member named 'is_open'
>>>
>>> Caused by commit e4408ce3c23f ("TTY: quatech2, remove unneeded
>>> is_open"). grep is your friend (or searching while editting the
>>> file).
>>
>> I think this is caused by another commit. Bill added a check for
>> is_open meanwhile I removed that member completely. Bill, could you
>> fix that up, please?
>>
>
> Is it legal to call tty_flip_buffer_push() without an open tty? If
> so, I can get rid of the is_open logic completely. Otherwise, I need
> to either keep is_open or otherwise check for a valid tty before
> calling tty_flip_buffer_push().
Yeah, it is legal to call that, as long as you have a valid tty_port.
Now, the data are queued and later flushed. The plan is to throw the
data directly on ingress in a way the drivers don't need to care.
thanks,
--
js
suse labs
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