Re: [PATCH 4/8] USB: add API for userspace drivers to "claim" ports

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On Mon, 29 Jun 2009, Alan Cox wrote:

> > If you wish to give them access to the hub device, why not? That's
> > a user space problem.
> 
> So what governs the ability to do that - file permissions - in which case
> we have auth and that would explain the lack of auth checks or is there
> just no auth at all ?

File permissions on the /dev/bus/usb device nodes.  Setting these 
permissions correctly isn't always easy to do.  For some devices it's 
safe to give write access to the console user at least, but for most 
access should be restricted to root.

Alan Stern

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