From: Greg KH <gregkh@linuxfoundation.org>
To: Xingjing Deng <micro6947@gmail.com>
Cc: srini@kernel.org, amahesh@qti.qualcomm.com, arnd@arndb.de,
dri-devel@lists.freedesktop.org, linux-arm-msm@vger.kernel.org,
linux-kernel@vger.kernel.org, Xingjing Deng <xjdeng@buaa.edu.cn>,
stable@vger.kernel.org
Subject: Re: [PATCH v6] misc: fastrpc: check qcom_scm_assign_mem() return in rpmsg_probe
Date: Wed, 28 Jan 2026 06:48:33 +0100 [thread overview]
Message-ID: <2026012851-precut-apostle-1d38@gregkh> (raw)
In-Reply-To: <20260128033454.2614886-1-xjdeng@buaa.edu.cn>
On Wed, Jan 28, 2026 at 11:34:54AM +0800, Xingjing Deng wrote:
> In the SDSP probe path, qcom_scm_assign_mem() is used to assign the
> reserved memory to the configured VMIDs, but its return value was not checked.
>
> Fail the probe if the SCM call fails to avoid continuing with an
> unexpected/incorrect memory permission configuration.
>
> This issue was detected by a private static analysis tool.
As per our documentation, you need to say a bit more than this about
your tool. Please read Documentation/process/researcher-guidelines.rst
for the details.
thanks,
greg k-h
prev parent reply other threads:[~2026-01-28 5:48 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-28 3:34 [PATCH v6] misc: fastrpc: check qcom_scm_assign_mem() return in rpmsg_probe Xingjing Deng
2026-01-28 5:47 ` Greg KH
2026-01-28 5:48 ` Greg KH [this message]
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