netdev - Re: [PATCH net] qmi_wwan: Support dynamic config on Quectel EP06

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Mon, 10 Sep 2018 10:49:26 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     kristian.evensen@...il.com
Cc:     netdev@...r.kernel.org, bjorn@...k.no
Subject: Re: [PATCH net] qmi_wwan: Support dynamic config on Quectel EP06

From: Kristian Evensen <kristian.evensen@...il.com>
Date: Sat,  8 Sep 2018 13:50:48 +0200

> Quectel EP06 (and EM06/EG06) supports dynamic configuration of USB
> interfaces, without the device changing VID/PID or configuration number.
> When the configuration is updated and interfaces are added/removed, the
> interface numbers change. This means that the current code for matching
> EP06 does not work.
> 
> This patch removes the current EP06 interface number match, and replaces
> it with a match on class, subclass and protocol. Unfortunately, matching
> on those three alone is not enough, as the diag interface exports the
> same values as QMI. The other serial interfaces + adb export different
> values and do not match.
> 
> The diag interface only has two endpoints, while the QMI interface has
> three. I have therefore added a check for number of interfaces, and we
> ignore the interface if the number of endpoints equals two.
> 
> Signed-off-by: Kristian Evensen <kristian.evensen@...il.com>

Applied, thanks.