From: Dan Williams <dcbw@xxxxxxxxxx> Date: Mon, 06 Jan 2014 10:07:29 -0600 > The existing serial state notification handling expected older Option > devices, having a hardcoded assumption that the Modem port was always > USB interface #2. That isn't true for devices from the past few years. > > hso_serial_state_notification is a local cache of a USB Communications > Interface Class SERIAL_STATE notification from the device, and the > USB CDC specification (section 6.3, table 67 "Class-Specific Notifications") > defines wIndex as the USB interface the event applies to. For hso > devices this will always be the Modem port, as the Modem port is the > only port which is set up to receive them by the driver. > > So instead of always expecting USB interface #2, instead validate the > notification with the actual USB interface number of the Modem port. > > Signed-off-by: Dan Williams <dcbw@xxxxxxxxxx> > Tested-by: H. Nikolaus Schaller <hns@xxxxxxxxxxxxx> Applied, although that BUG_ON() is a bit harsh. It might have been cleaner to just dev_warn() ratelimited or similar and return. -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
