[PATCH v2 05/18] cpufreq: CPPC: Use __free(put_cpufreq_policy) for policy reference
From: Zihuan Zhang <hidden>
Date: 2025-08-27 02:33:54
Also in:
dri-devel, imx, intel-gfx, kvm, linux-acpi, linux-mediatek, linux-omap, linux-pm, linux-samsung-soc, linux-tegra, lkml
Subsystem:
cpu frequency drivers - cppc cpufreq, cpu frequency scaling framework, the rest · Maintainers:
"Rafael J. Wysocki", Viresh Kumar, Linus Torvalds
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 <redacted> --- drivers/cpufreq/cppc_cpufreq.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/cpufreq/cppc_cpufreq.c b/drivers/cpufreq/cppc_cpufreq.c
index 4a17162a392d..7183754b1f31 100644
--- a/drivers/cpufreq/cppc_cpufreq.c
+++ b/drivers/cpufreq/cppc_cpufreq.c@@ -726,7 +726,7 @@ static int cppc_get_perf_ctrs_sample(int cpu, static unsigned int cppc_cpufreq_get_rate(unsigned int cpu) { struct cppc_perf_fb_ctrs fb_ctrs_t0 = {0}, fb_ctrs_t1 = {0}; - struct cpufreq_policy *policy = cpufreq_cpu_get(cpu); + struct cpufreq_policy *policy __free(put_cpufreq_policy) = cpufreq_cpu_get(cpu); struct cppc_cpudata *cpu_data; u64 delivered_perf; int ret;
@@ -736,8 +736,6 @@ static unsigned int cppc_cpufreq_get_rate(unsigned int cpu) cpu_data = policy->driver_data; - cpufreq_cpu_put(policy); - ret = cppc_get_perf_ctrs_sample(cpu, &fb_ctrs_t0, &fb_ctrs_t1); if (ret) { if (ret == -EFAULT)
--
2.25.1