linux-kernel - Re: [PATCH] soc: imx: imx-scu: Getting UID from SCU should have response

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Date:   Sun, 6 Oct 2019 09:21:51 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     Anson Huang <Anson.Huang@....com>
Cc:     s.hauer@...gutronix.de, kernel@...gutronix.de, festevam@...il.com,
        daniel.baluta@....com, aisheng.dong@....com, abel.vesa@....com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Linux-imx@....com
Subject: Re: [PATCH] soc: imx: imx-scu: Getting UID from SCU should have
 response

On Wed, Sep 04, 2019 at 03:13:14PM -0400, Anson Huang wrote:
> The SCU firmware API for getting UID should have response,
> otherwise, the message stored in function stack could be
> released and then the response data received from SCU will be
> stored into that released stack and cause kernel NULL pointer
> dump.
> 
> Fixes: 73feb4d0f8f1 ("soc: imx-scu: Add SoC UID(unique identifier) support")
> Signed-off-by: Anson Huang <Anson.Huang@....com>

Applied, thanks.