On Tue, 2022-08-09 at 12:32 +0200, Greg Kroah-Hartman wrote: > On Tue, Aug 09, 2022 at 11:42:59AM +0200, Bastien Nocera wrote: > > There is a need for userspace applications to open USB devices > > directly, > > for all the USB devices without a kernel-level class driver[1], and > > implemented in user-space. > > > > As not all devices are built equal, we want to be able to revoke > > access to those devices whether it's because the user isn't at the > > console anymore, or because the web browser, or sandbox doesn't > > want > > to allow access to that device. > > > > This commit implements the internal API used to revoke access to > > USB > > devices, given either bus and device numbers, or/and a user's > > effective UID. > > > > Signed-off-by: Bastien Nocera <hadess@xxxxxxxxxx> > > > > [1]: > > Non exhaustive list of devices and device types that need raw USB > > access: > > - all manners of single-board computers and programmable chips and > > devices (avrdude, STLink, sunxi bootloader, flashrom, etc.) > > - 3D printers > > - scanners > > - LCD "displays" > > - user-space webcam and still cameras > > - game controllers > > - video/audio capture devices > > - sensors > > - software-defined radios > > - DJ/music equipment > > - protocol analysers > > - Rio 500 music player > > We can't take "footnotes" after a signed-off-by line, you know this > :( Where would I know this from? checkpatch.pl doesn't warn about it.
