Hi!
> > >+ if (copy_from_user(&udev->user_dev, buffer,
> > >+ sizeof(struct uleds_user_dev))) {
> > >+ ret = -EFAULT;
> > >+ goto out;
> > >+ }
> > >+
> > >+ if (!udev->user_dev.name[0]) {
> > >+ ret = -EINVAL;
> > >+ goto out;
> > >+ }
> > >+
> > >+ ret = led_classdev_register(NULL, &udev->led_cdev);
> > >+ if (ret < 0)
> > >+ goto out;
>
> No sanity checking on the name -> probably a security hole. Do not
> push this upstream before this is fixed.
And actually... is it possible to have more then one userspace LED
with this interface? I do have RGB LED connect on /dev/ttyUSB0, and I
guess userspace driver would be appropriate, but it needs 3
channels...
Best regards,
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures)
http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
