ARM: rockchip: Add missing of_node_put() in rockchip_suspend_init()

In rockchip_suspend_init(), of_find_matching_node_and_match() 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>
Link: https://lore.kernel.org/r/20220616021713.3973472-1-windhl@126.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm/mach-rockchip/pm.c b/arch/arm/mach-rockchip/pm.c
index 87389d9..30d781d 100644 (file)
--- a/arch/arm/mach-rockchip/pm.c
+++ b/arch/arm/mach-rockchip/pm.c
@@ -311,7 +311,7 @@ void __init rockchip_suspend_init(void)
                                             &match);
        if (!match) {
                pr_err("Failed to find PMU node\n");
-               return;
+               goto out_put;
        }
        pm_data = (struct rockchip_pm_data *) match->data;
 
@@ -320,9 +320,12 @@ void __init rockchip_suspend_init(void)
 
                if (ret) {
                        pr_err("%s: matches init error %d\n", __func__, ret);
-                       return;
+                       goto out_put;
                }
        }
 
        suspend_set_ops(pm_data->ops);
+
+out_put:
+       of_node_put(np);
 }