Date: Wed, 4 Jan 2017 14:59:12 -0600 From: Matthew Garrett <mjg59@...eos.com> To: Greg KH <gregkh@...uxfoundation.org> Cc: Petr Tesarik <ptesarik@...e.com>, linux-pm@...r.kernel.org, Andrew Morton <akpm@...ux-foundation.org>, Madalin Bucur <madalin.bucur@....com>, kernel-hardening@...ts.openwall.com, Pavel Machek <pavel@....cz>, "Rafael J. Wysocki" <rjw@...ysocki.net>, Ulf Hansson <ulf.hansson@...aro.org>, Rasmus Villemoes <linux@...musvillemoes.dk>, Kees Cook <keescook@...omium.org>, Mauro Carvalho Chehab <mchehab@...nel.org>, Sudip Mukherjee <sudipm.mukherjee@...il.com>, Len Brown <len.brown@...el.com>, Tomeu Vizoso <tomeu.vizoso@...labora.com>, Arnd Bergmann <arnd@...db.de>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Russell King <rmk+kernel@....linux.org.uk>, Lukas Wunner <lukas@...ner.de> Subject: Re: [PATCH] Allow userspace control of runtime disabling/enabling of driver probing On Jan 4, 2017 12:47, "Greg Kroah-Hartman" <gregkh@...uxfoundation.org> wrote: On Wed, Jan 04, 2017 at 02:01:00PM -0600, Matthew Garrett wrote: > On Wed, Jan 4, 2017 at 1:47 PM, Greg Kroah-Hartman > <gregkh@...uxfoundation.org> wrote: > > You know the device type and vendor/product id before you authorize it, > > you should be able to do this type of detection otherwise it seems > > pretty pointless :) > > You know the vendor and product ID, which doesn't tell you whether one > of the endpoints is a network device or a keyboard. You need to know > that. Are you sure you don't have the configuration information as well? That should tell you... choose_config() isn't called until after authorisation, so even if scrape that data you don't know what the kernel is going to choose. And for network devices, they are almost all just vendor/product ids, not many use the class protocol. Plenty of stuff uses cdc. Content of type "text/html" skipped
Powered by blists - more mailing lists
Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.