[PATCH v1] cpufreq: use __free() for all cpufreq_cpu_get() references
Rafael J. Wysocki
rafael at kernel.org
Mon Aug 25 14:13:27 UTC 2025
On Mon, Aug 25, 2025 at 11:29 AM Zihuan Zhang <zhangzihuan at kylinos.cn> wrote:
>
> This patch replaces all remaining uses of cpufreq_cpu_get() with
> the __free(cpufreq_cpu_put) annotation.
>
> Motivation:
> - Ensures automatic cleanup of policy references when they go out of scope,
> reducing the risk of forgetting to call cpufreq_cpu_put() on early return
> or error paths.
> - Brings the code in line with the latest kernel coding style and best
> practices for managing reference-counted objects.
> - No functional changes are introduced; behavior remains the same,
> but reference counting is now safer and easier to maintain.
>
> Signed-off-by: Zihuan Zhang <zhangzihuan at kylinos.cn>
> ---
> arch/arm64/kernel/topology.c | 9 +++----
> arch/x86/kvm/x86.c | 10 ++++----
> drivers/acpi/processor_thermal.c | 13 ++++------
> drivers/cpufreq/brcmstb-avs-cpufreq.c | 4 +---
> drivers/cpufreq/cppc_cpufreq.c | 4 +---
> drivers/cpufreq/intel_pstate.c | 3 +--
> drivers/cpufreq/longhaul.c | 3 +--
> drivers/cpufreq/mediatek-cpufreq.c | 6 ++---
> drivers/cpufreq/powernv-cpufreq.c | 6 ++---
> drivers/cpufreq/s5pv210-cpufreq.c | 3 +--
> drivers/cpufreq/tegra186-cpufreq.c | 3 +--
> drivers/devfreq/governor_passive.c | 19 ++++-----------
> drivers/gpu/drm/i915/gt/intel_llc.c | 3 +--
> drivers/macintosh/windfarm_cpufreq_clamp.c | 4 +---
> drivers/powercap/dtpm_cpu.c | 24 ++++++-------------
> drivers/thermal/imx_thermal.c | 7 ++----
> .../ti-soc-thermal/ti-thermal-common.c | 5 +---
> kernel/power/energy_model.c | 7 ++----
> 18 files changed, 40 insertions(+), 93 deletions(-)
This changes different pieces of code maintained by different people
and the changes are not interdependent AFAICS, so better send it as a
series of separate patches.
Thanks!
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