linux-kernel - Re: [PATCH v1 2/2] spi: Avoid potential UB when counting unused native CSs

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Message-ID: <20210420145616.GC6073@sirena.org.uk>
Date:   Tue, 20 Apr 2021 15:56:16 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     linux-spi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 2/2] spi: Avoid potential UB when counting unused
 native CSs

On Tue, Apr 20, 2021 at 05:10:04PM +0300, Andy Shevchenko wrote:
> ffz(), that has been used to count unused native CSs, might produce UB

Bit of an IA there...

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