linux-kernel - Re: [PATCH] cpufreq: qcom-nvmem: add sentinel to qcom_cpufreq_ipq806x_match

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Message-ID: <b36de004-25e5-4701-9778-3ae02a1bfa87@oss.qualcomm.com>
Date: Fri, 5 Dec 2025 10:38:41 +0100
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: xiaopeitux@...mail.com, ansuelsmth@...il.com, ilia.lin@...nel.org,
        rafael@...nel.org, linux-arm-msm@...r.kernel.org,
        linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: Pei Xiao <xiaopei01@...inos.cn>
Subject: Re: [PATCH] cpufreq: qcom-nvmem: add sentinel to
 qcom_cpufreq_ipq806x_match_list

On 12/5/25 7:38 AM, xiaopeitux@...mail.com wrote:
> From: Pei Xiao <xiaopei01@...inos.cn>
> 
> The of_device_id table is expected to be NULL-terminated. Without the
> sentinel, the traversal of the array can lead to out-of-bound access,
> causing undefined behavior.
> 
> This adds the missing sentinel to the qcom_cpufreq_ipq806x_match_list
> array.
> 
> Fixes: 58f5d39d5ed8 ("cpufreq: qcom-nvmem: add compatible fallback for ipq806x for no SMEM")
> Signed-off-by: Pei Xiao <xiaopei01@...inos.cn>
> ---

ouch, thanks for catching that!

Reviewed-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>

Konrad