[sane-devel] /proc/bus/usb/001/002 , write permission changes required, is that normal behaviour?

Henning Meier-Geinitz henning at meier-geinitz.de
Tue Aug 30 20:21:49 UTC 2005


On Tue, Aug 30, 2005 at 04:01:52PM -0400, Rayudu Addagarla wrote:
> I had to change to have write permissions to other like,
> -r--r--rw- 1 root root 57 2005-08-30 12:22 002
> then only as user i can see the device with scanimage -L
> Is this a common behavior? I expect to have only read perms and does not 
> require write perms.

You need write permissions on a USB device file to claim the USB
interface. At least that's how it's done on Linux.


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