linux-kernel - [PATCH v3 08/12] cpufreq: powerpc: macintosh: Use scope-based cleanup helper

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Message-Id: <20250901085748.36795-9-zhangzihuan@kylinos.cn>
Date: Mon,  1 Sep 2025 16:57:44 +0800
From: Zihuan Zhang <zhangzihuan@...inos.cn>
To: "Rafael J . wysocki" <rafael@...nel.org>,
	Viresh Kumar <viresh.kumar@...aro.org>,
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	Zihuan Zhang <zhangzihuan@...inos.cn>
Subject: [PATCH v3 08/12] cpufreq: powerpc: macintosh: Use scope-based cleanup helper

Replace the manual cpufreq_cpu_put() with __free(put_cpufreq_policy)
annotation for policy references. This reduces the risk of reference
counting mistakes and aligns the code with the latest kernel style.

No functional change intended.

Signed-off-by: Zihuan Zhang <zhangzihuan@...inos.cn>
---
 drivers/macintosh/windfarm_cpufreq_clamp.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/macintosh/windfarm_cpufreq_clamp.c b/drivers/macintosh/windfarm_cpufreq_clamp.c
index 28d18ef22bbb..08558756990b 100644
--- a/drivers/macintosh/windfarm_cpufreq_clamp.c
+++ b/drivers/macintosh/windfarm_cpufreq_clamp.c
@@ -62,12 +62,11 @@ static const struct wf_control_ops clamp_ops = {
 
 static int __init wf_cpufreq_clamp_init(void)
 {
-	struct cpufreq_policy *policy;
+	struct cpufreq_policy *policy __free(put_cpufreq_policy) = cpufreq_cpu_get(0);
 	struct wf_control *clamp;
 	struct device *dev;
 	int ret;
 
-	policy = cpufreq_cpu_get(0);
 	if (!policy) {
 		pr_warn("%s: cpufreq policy not found cpu0\n", __func__);
 		return -EPROBE_DEFER;
@@ -79,8 +78,6 @@ static int __init wf_cpufreq_clamp_init(void)
 	ret = freq_qos_add_request(&policy->constraints, &qos_req, FREQ_QOS_MAX,
 				   max_freq);
 
-	cpufreq_cpu_put(policy);
-
 	if (ret < 0) {
 		pr_err("%s: Failed to add freq constraint (%d)\n", __func__,
 		       ret);
-- 
2.25.1