linux-kernel - Re: [PATCH v3 0/3] software node: Introduce software_node_find_by

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, 19 Aug 2019 14:46:32 +0200
From:   Hans de Goede <hdegoede@...hat.com>
To:     Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Andy Shevchenko <andy@...radead.org>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Darren Hart <dvhart@...radead.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 0/3] software node: Introduce
 software_node_find_by_name()

Hi,

On 19-08-19 12:07, Heikki Krogerus wrote:
> Hi,
> 
> There was still one bug spotted by Andy in v2. The role switch node
> was not removed in case of an error (patch 2/3). It is now fixed.
> 
> 
> The cover letter from v2:
> 
> This is the second version of this series where I'm introducing that
> helper.
> 
> Hans and Andy! Because of the changes I made to patch 2/3, I'm not
> carrying your reviewed-by tags in it. I would appreciate if you
> could take another look at that patch.
> 
> I added a note to the kernel-doc comment in patch 1/3 that the caller
> of the helper function needs to release the ref count after use as
> proposed by Andy.
> 
> In patch 2/3, since we have to now modify the role switch descriptor,
> I'm filling the structure in stack memory and removing the constant
> static version. The content of the descriptor is copied during switch
> registration in any case, so we don't need to store it in the driver.
> 
> I also noticed a bug in 2/3. I never properly destroyed the software
> node when the mux was removed. That leak is now also fixed.

I've just given this series a try on a device with an ACPI
INT33FE node describing its TypeC connector and the mux is still
properly found and controlled.

So from my pov this series looks ready for merging.

Regards,

Hans