linux-kernel - Re: [PATCH 7/7] i2c: stm32f7: : use proper DMAENGINE API for termination

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]

Message-ID: <YNM/TZMWwCLGSEJO@ninjato>
Date:   Wed, 23 Jun 2021 16:03:57 +0200
From:   Wolfram Sang <wsa+renesas@...g-engineering.com>
To:     linux-mmc@...r.kernel.org
Cc:     linux-renesas-soc@...r.kernel.org,
        Pierre-Yves MORDRET <pierre-yves.mordret@...s.st.com>,
        Alain Volmat <alain.volmat@...s.st.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        linux-i2c@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 7/7] i2c: stm32f7: : use proper DMAENGINE API for
 termination

On Wed, Jun 23, 2021 at 11:59:41AM +0200, Wolfram Sang wrote:
> dmaengine_terminate_all() is deprecated in favor of explicitly saying if
> it should be sync or async. Here, we want dmaengine_terminate_sync()
> because there is no other synchronization code in the driver to handle
> an async case.
> 
> Signed-off-by: Wolfram Sang <wsa+renesas@...g-engineering.com>

Eeks, this is called from irq context as well. Broken patch :(


Download attachment "signature.asc" of type "application/pgp-signature" (834 bytes)