linux-kernel - Re: [PATCH v2 2/2] i2c: mark device nodes only in case of successful instantiation

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] [day] [month] [year] [list]

Message-ID: <20161025092301.GC1597@katana>
Date:   Tue, 25 Oct 2016 11:23:01 +0200
From:   Wolfram Sang <wsa@...-dreams.de>
To:     Ralf Ramsauer <ralf@...ses-pyramidenbau.de>
Cc:     Mark Brown <broonie@...nel.org>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Linux SPI <linux-spi@...r.kernel.org>,
        Linux I2C <linux-i2c@...r.kernel.org>,
        "linux-kernel @ vger . kernel . org" <linux-kernel@...r.kernel.org>,
        Pantelis Antoniou <pantelis.antoniou@...sulko.com>
Subject: Re: [PATCH v2 2/2] i2c: mark device nodes only in case of successful
 instantiation

On Mon, Oct 17, 2016 at 03:59:57PM +0200, Ralf Ramsauer wrote:
> Instantiated I2C device nodes are marked with OF_POPULATE. This was
> introduced in 4f001fd. On unloading, loaded device nodes will of course
> be unmarked. The problem are nodes that fail during initialisation: If a
> node fails, it won't be unloaded and hence not be unmarked.
> 
> If a I2C driver module is unloaded and reloaded, it will skip nodes that
> failed before.
> 
> Skip device nodes that are already populated and mark them only in case
> of success.
> 
> Note that the same issue exists for SPI.
> 
> Fixes: 4f001fd ("i2c: Mark instantiated device nodes with OF_POPULATE")
> Signed-off-by: Ralf Ramsauer <ralf@...ses-pyramidenbau.de>

Applied to for-current, thanks!


Download attachment "signature.asc" of type "application/pgp-signature" (820 bytes)