From: Liang He <windhl@126.com>
To: linus.walleij@linaro.org, linux@armlinux.org.uk
Cc: linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, windhl@126.com
Subject: [PATCH v2] mach-ux500: (pm_domain) Add missing of_node_put()
Date: Thu, 16 Jun 2022 12:15:34 +0800 [thread overview]
Message-ID: <20220616041534.3977606-1-windhl@126.com> (raw)
In ux500_pm_domains_init(), of_find_matching_node() will return a
node pointer with refcount incremented. We should use of_node_put()
in fail path or when it is not used anymore.
Signed-off-by: Liang He <windhl@126.com>
---
changelog:
v2: use real name for Sob
v1: fix missing bug
arch/arm/mach-ux500/pm_domains.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/arch/arm/mach-ux500/pm_domains.c b/arch/arm/mach-ux500/pm_domains.c
index 427b9ac4af6c..81926b197e51 100644
--- a/arch/arm/mach-ux500/pm_domains.c
+++ b/arch/arm/mach-ux500/pm_domains.c
@@ -65,8 +65,10 @@ int __init ux500_pm_domains_init(void)
return -ENODEV;
genpd_data = kzalloc(sizeof(*genpd_data), GFP_KERNEL);
- if (!genpd_data)
+ if (!genpd_data) {
+ of_node_put(np);
return -ENOMEM;
+ }
genpd_data->domains = ux500_pm_domains;
genpd_data->num_domains = ARRAY_SIZE(ux500_pm_domains);
@@ -75,5 +77,6 @@ int __init ux500_pm_domains_init(void)
pm_genpd_init(ux500_pm_domains[i], NULL, false);
of_genpd_add_provider_onecell(np, genpd_data);
+ of_node_put(np);
return 0;
}
--
2.25.1
reply other threads:[~2022-06-16 4:15 UTC|newest]
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