linux-kernel - [PATCH 1/2] pmdomain: core: Add missing put

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Message-ID: <20241122134207.157283-2-ulf.hansson@linaro.org>
Date: Fri, 22 Nov 2024 14:42:02 +0100
From: Ulf Hansson <ulf.hansson@...aro.org>
To: Ulf Hansson <ulf.hansson@...aro.org>,
	linux-pm@...r.kernel.org
Cc: "Rafael J . Wysocki" <rafael@...nel.org>,
	Sibi Sankar <quic_sibis@...cinc.com>,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Subject: [PATCH 1/2] pmdomain: core: Add missing put_device()

When removing a genpd we don't clean up the genpd->dev correctly. Let's add
the missing put_device() in genpd_free_data() to fix this.

Fixes: 401ea1572de9 ("PM / Domain: Add struct device to genpd")
Cc: stable@...r.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@...aro.org>
---
 drivers/pmdomain/core.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/pmdomain/core.c b/drivers/pmdomain/core.c
index a6c8b85dd024..4d8b0d18bb4a 100644
--- a/drivers/pmdomain/core.c
+++ b/drivers/pmdomain/core.c
@@ -2183,6 +2183,7 @@ static int genpd_alloc_data(struct generic_pm_domain *genpd)
 
 static void genpd_free_data(struct generic_pm_domain *genpd)
 {
+	put_device(&genpd->dev);
 	if (genpd_is_cpu_domain(genpd))
 		free_cpumask_var(genpd->cpus);
 	if (genpd->free_states)
-- 
2.43.0