ARM: mvebu: add missing of_node_put() to fix reference leak

Add of_node_put to properly decrement the refcount when we are
done using a given node.

Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
Reviewed-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Conflicts:
	arch/arm/mach-mvebu/armada-370-xp.c
	arch/arm/mach-mvebu/platsmp.c

diff --git a/arch/arm/mach-mvebu/coherency.c b/arch/arm/mach-mvebu/coherency.c
index 4c24303..58adf2f 100644 (file)
--- a/arch/arm/mach-mvebu/coherency.c
+++ b/arch/arm/mach-mvebu/coherency.c
@@ -140,6 +140,7 @@ int __init coherency_init(void)
                coherency_base = of_iomap(np, 0);
                coherency_cpu_base = of_iomap(np, 1);
                set_cpu_coherent(cpu_logical_map(smp_processor_id()), 0);
+               of_node_put(np);
        }
 
        return 0;
@@ -147,9 +148,14 @@ int __init coherency_init(void)
 
 static int __init coherency_late_init(void)
 {
-       if (of_find_matching_node(NULL, of_coherency_table))
+       struct device_node *np;
+
+       np = of_find_matching_node(NULL, of_coherency_table);
+       if (np) {
                bus_register_notifier(&platform_bus_type,
                                      &mvebu_hwcc_platform_nb);
+               of_node_put(np);
+       }
        return 0;
 }
 

diff --git a/arch/arm/mach-mvebu/pmsu.c b/arch/arm/mach-mvebu/pmsu.c
index 3cc4bef..27fc4f0 100644 (file)
--- a/arch/arm/mach-mvebu/pmsu.c
+++ b/arch/arm/mach-mvebu/pmsu.c
@@ -67,6 +67,7 @@ int __init armada_370_xp_pmsu_init(void)
                pr_info("Initializing Power Management Service Unit\n");
                pmsu_mp_base = of_iomap(np, 0);
                pmsu_reset_base = of_iomap(np, 1);
+               of_node_put(np);
        }
 
        return 0;

diff --git a/arch/arm/mach-mvebu/system-controller.c b/arch/arm/mach-mvebu/system-controller.c
index f875124..5175083 100644 (file)
--- a/arch/arm/mach-mvebu/system-controller.c
+++ b/arch/arm/mach-mvebu/system-controller.c
@@ -98,6 +98,7 @@ static int __init mvebu_system_controller_init(void)
                BUG_ON(!match);
                system_controller_base = of_iomap(np, 0);
                mvebu_sc = (struct mvebu_system_controller *)match->data;
+               of_node_put(np);
        }
 
        return 0;