Re: [PATCH] USB: usbfs: deprecate and hide option for !embedded

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On Tue, Apr 21, 2009 at 12:52:12PM -0400, Alan Stern wrote:
> On Tue, 21 Apr 2009, Scott James Remnant wrote:
> 
> > Modern systems do not use usbfs; the entries within it are files,
> > not device nodes, and do not support ACLs which are the default way to
> > provide access to USB devices to untrusted users.
> > 
> > It is replaced by device-nodes maintained by udev in /dev/bus/usb,
> > libusb uses this device nodes.
> > 
> > Mark the option as deprecated, and hide entirely for non-embedded builds
> > (which may not be using udev but require raw USB device access).
> 
> I don't like this at all.  usbfs provides /proc/bus/usb/devices, and 
> some of the information in that file is not easily available anywhere 
> else.

What is lacking in sysfs?  Here's a script from Randy Dunlap that pretty
much provides the equilivant.

thanks,

greg k-h

Attachment: usb-devices.sh
Description: Bourne shell script


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