Re: [PATCH 0/7] HID: picoLCD updates

[Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>]

On Sat, 18 Aug 2012, Bruno Prémont wrote:

> One thing I just though about, how does usbhid handle the calls to
> usbhid_submit_report() when hid_hw_stop()/hid_hw_close() have already
> been called?

Looks like they aren't synchronized at all.  That's a bug.  
usbhid_submit_report() should check the HID_DISCONNECTED flag.

> I will attempt to see if it makes a difference to shortcut my
> usbhid_submit_report() calls from the point on I have called hid_hw_close()...

I don't know bout hid_hw_close().  Certainly no more reports should be 
submitted following usbhid_stop().

Alan Stern

--
To unsubscribe from this list: send the line "unsubscribe linux-fbdev" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html