linux-kernel - Re: [PATCH] mmc: mvsdio: Fix dma_unmap

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Message-ID: <CACRpkdaVHTh7MJfngQ=qhe_ZfZxr7b025G=tAwsCvBfpXVYZEw@mail.gmail.com>
Date: Thu, 28 Aug 2025 20:33:27 +0200
From: Linus Walleij <linus.walleij@...aro.org>
To: Thomas Fourier <fourier.thomas@...il.com>
Cc: Nicolas Pitre <nico@...xnic.net>, Ulf Hansson <ulf.hansson@...aro.org>, 
	Ingo Molnar <mingo@...nel.org>, Thomas Gleixner <tglx@...utronix.de>, 
	Binbin Zhou <zhoubinbin@...ngson.cn>, Pierre Ossman <drzeus@...eus.cx>, linux-mmc@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mmc: mvsdio: Fix dma_unmap_sg() nents value

On Tue, Aug 26, 2025 at 9:59 AM Thomas Fourier <fourier.thomas@...il.com> wrote:

> The dma_unmap_sg() functions should be called with the same nents as the
> dma_map_sg(), not the value the map function returned.
>
> Fixes: 236caa7cc351 ("mmc: SDIO driver for Marvell SoCs")
> Signed-off-by: Thomas Fourier <fourier.thomas@...il.com>

Reviewed-by: Linus Walleij <linus.walleij@...aro.org>

Yours,
Linus Walleij