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Message-ID: <CAA8EJprvxZrK2b1ctP5dtgK7eKFTj09K_H0=2tgA5--oVkR1ew@mail.gmail.com>
Date: Fri, 16 Sep 2022 00:56:24 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Christian Marangi <ansuelsmth@...il.com>
Cc: Andy Gross <agross@...nel.org>,
Bjorn Andersson <andersson@...nel.org>,
Konrad Dybcio <konrad.dybcio@...ainline.org>,
Vinod Koul <vkoul@...nel.org>, Mark Brown <broonie@...nel.org>,
Arnd Bergmann <arnd@...db.de>, linux-arm-msm@...r.kernel.org,
dmaengine@...r.kernel.org, linux-kernel@...r.kernel.org,
stable@...r.kernel.org
Subject: Re: [PATCH] dmaengine: qcom-adm: fix wrong sizeof config in slave_config
On Thu, 15 Sept 2022 at 23:49, Christian Marangi <ansuelsmth@...il.com> wrote:
>
> Fix broken slave_config function that uncorrectly compare the
> peripheral_size with the size of the config pointer instead of the size
> of the config struct. This cause the crci value to be ignored and cause
> a kernel panic on any slave that use adm driver.
>
> To fix this, compare to the size of the struct and NOT the size of the
> pointer.
>
> Fixes: 03de6b273805 ("dmaengine: qcom-adm: stop abusing slave_id config")
> Signed-off-by: Christian Marangi <ansuelsmth@...il.com>
> Cc: stable@...r.kernel.org # v5.17+
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
> ---
> drivers/dma/qcom/qcom_adm.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
--
With best wishes
Dmitry
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