linux-kernel - Re: [PATCH 2/2] soc: qcom: pd-mapper: Fix element length in servreg_loc_pfr_req

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Message-ID: <ugkxy3xshjjodb2dkbd6ipwvochsvwxpdhpciboqjcnsn5iaz2@hucsalgrr2o7>
Date: Fri, 30 Jan 2026 06:35:26 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Mukesh Ojha <mukesh.ojha@....qualcomm.com>
Cc: Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>,
        Chris Lew <quic_clew@...cinc.com>, Dmitry Baryshkov <lumag@...nel.org>,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] soc: qcom: pd-mapper: Fix element length in
 servreg_loc_pfr_req_ei

On Thu, Jan 29, 2026 at 08:53:20PM +0530, Mukesh Ojha wrote:
> It looks element length declared in servreg_loc_pfr_req_ei for reason
> not matching servreg_loc_pfr_req's reason field due which we could
> observe decoding error on PD crash.
> 
>   qmi_decode_string_elem: String len 81 >= Max Len 65
> 
> Fix this by matching with servreg_loc_pfr_req's reason field.
> 
> Fixes: 1ebcde047c54 ("soc: qcom: add pd-mapper implementation")

Cc: stable@...r.kernel.org

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>


> Signed-off-by: Mukesh Ojha <mukesh.ojha@....qualcomm.com>
> ---
>  drivers/soc/qcom/pdr_internal.h | 2 +-
>  drivers/soc/qcom/qcom_pdr_msg.c | 2 +-
>  include/linux/soc/qcom/pdr.h    | 1 +
>  3 files changed, 3 insertions(+), 2 deletions(-)
> 

-- 
With best wishes
Dmitry