Re: [linux-usb-devel] why was MODALIAS removed from usb kernelevents? [u]

From: Alan Stern
Date: Fri Aug 17 2007 - 10:50:33 EST


On Fri, 17 Aug 2007, Andreas Jellinghaus [c] wrote:

> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=9f8b17e643fe6aa505629658445849397bda4e4f
>
> removes MODALIAS from one of the events, this breaks user space applications
> like openct - everything that depends on getting an event that has both the
> DEVICE= path to the usb device and any information on the interface, so it
> can check if the device is something it supports (in case of openct:
> smart card reader, i.e. bInterfaceClass 0b).

There is no MODALIAS for these events because there are no drivers for
the devices they report. Perhaps you should be looking at
usb_if_uevent() in drivers/usb/core/message.c instead. Is the problem
that this routine doesn't set DEVICE, BUSNUM, or DEVNUM?

Alan Stern

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