linux-kernel - [PATCH] macintosh: smu_sensors: Drop the reference in smu_cpu_power

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Message-Id: <20251209121501.35012-1-lihaoxiang@isrc.iscas.ac.cn>
Date: Tue,  9 Dec 2025 20:15:01 +0800
From: Haoxiang Li <lihaoxiang@...c.iscas.ac.cn>
To: lihaoxiang@...c.iscas.ac.cn,
	paulus@...abs.org,
	benh@...nel.crashing.org
Cc: linuxppc-dev@...ts.ozlabs.org,
	linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Subject: [PATCH] macintosh: smu_sensors: Drop the reference in smu_cpu_power_create()

In 'fail' error path, call wf_put_sensor() to drop the reference
obtained by wf_get_sensor().

Fixes: 75722d3992f5 ("[PATCH] ppc64: Thermal control for SMU based machines")
Cc: stable@...r.kernel.org
Signed-off-by: Haoxiang Li <lihaoxiang@...c.iscas.ac.cn>
---
 drivers/macintosh/windfarm_smu_sensors.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/macintosh/windfarm_smu_sensors.c b/drivers/macintosh/windfarm_smu_sensors.c
index 2bdb73b34d29..5441a55732f1 100644
--- a/drivers/macintosh/windfarm_smu_sensors.c
+++ b/drivers/macintosh/windfarm_smu_sensors.c
@@ -374,6 +374,8 @@ smu_cpu_power_create(struct wf_sensor *volts, struct wf_sensor *amps)
 		goto fail;
 	return pow;
  fail:
+	wf_put_sensor(amps);
+	wf_put_sensor(volts);
 	kfree(pow);
 	return NULL;
 }
-- 
2.25.1