On Sat, Jan 31, 2026 at 02:55:39PM +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 found by an in-house analysis workflow that extracts AST-based
> information and runs static checks, with LLM assistance for triage, and was
> confirmed by manual code review.
> No hardware testing was performed.
>
> Fixes: c3c0363bc72d4 ("misc: fastrpc: support complete DMA pool access to the
> DSP")
> Cc: [email protected] # 6.11-rc1
> Signed-off-by: Xingjing Deng <[email protected]>
> ---
> v8:
> - Remove the redundant brace.
> - Link to v7:
> https://lore.kernel.org/linux-arm-msm/[email protected]/
>
Reviewed-by: Dmitry Baryshkov <[email protected]>
--
With best wishes
Dmitry
