Hi Keith, > URB_ISO_ASAP may only be used with iso end points, but this patch was > attempting to use it with a bulk endpoint. When DEBUG is defined in > the USB stack, it checks for invalid flags and returns -EINVAL instead > of actually transmitting the data. > > Signed-off-by: Keith Packard <keithp@xxxxxxxxxx> > --- a version of this patch should be already upstream or in stable trees. If you are sending this again, then it might slipped through. Johan? > Ok, so this is a comedy of errors. The Bluetooth code is trying to use > an iso-specific flag (URB_ISO_ASAP) on a bulk endpoint, which is > invalid, but normally harmless. Unless the USB code is compiled for > debugging, in which case it checks a bunch for incorrect usage and > discards URBs which are wrong. > > As far as I'm concerned, #ifdef DEBUG code should never ever change > the behaviour of the code, and so I'd say the USB code is even more > broken than the bluetooth code... And yes, this one is hilarious. Regards Marcel -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html