cpufreq: mediatek: 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@kylinos.cn>
[ Viresh: Minor changes ]
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>

diff --git a/drivers/cpufreq/mediatek-cpufreq.c b/drivers/cpufreq/mediatek-cpufreq.c
index f3f02c4b6888b4910e4ff496f5ddf0d682f7d976..fae062a6431fb6cc26e780a097f44b806a1eeb21 100644 (file)
--- a/drivers/cpufreq/mediatek-cpufreq.c
+++ b/drivers/cpufreq/mediatek-cpufreq.c
@@ -320,7 +320,6 @@ static int mtk_cpufreq_opp_notifier(struct notifier_block *nb,
        struct dev_pm_opp *new_opp;
        struct mtk_cpu_dvfs_info *info;
        unsigned long freq, volt;
-       struct cpufreq_policy *policy;
        int ret = 0;
 
        info = container_of(nb, struct mtk_cpu_dvfs_info, opp_nb);
@@ -353,12 +352,12 @@ static int mtk_cpufreq_opp_notifier(struct notifier_block *nb,
                        }
 
                        dev_pm_opp_put(new_opp);
-                       policy = cpufreq_cpu_get(info->opp_cpu);
-                       if (policy) {
+
+                       struct cpufreq_policy *policy __free(put_cpufreq_policy)
+                               = cpufreq_cpu_get(info->opp_cpu);
+                       if (policy)
                                cpufreq_driver_target(policy, freq / 1000,
                                                      CPUFREQ_RELATION_L);
-                               cpufreq_cpu_put(policy);
-                       }
                }
        }