ARM: cns3xxx: Fix refcount leak in cns3xxx_init

of_find_compatible_node() returns a node pointer with refcount
incremented, we should use of_node_put() on it when done.
Add missing of_node_put() to avoid refcount leak.

Fixes: 415f59142d9d ("ARM: cns3xxx: initial DT support")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Acked-by: Krzysztof Halasa <khalasa@piap.pl>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

diff --git a/arch/arm/mach-cns3xxx/core.c b/arch/arm/mach-cns3xxx/core.c
index e4f4b20..3fc4ec8 100644 (file)
--- a/arch/arm/mach-cns3xxx/core.c
+++ b/arch/arm/mach-cns3xxx/core.c
@@ -372,6 +372,7 @@ static void __init cns3xxx_init(void)
                /* De-Asscer SATA Reset */
                cns3xxx_pwr_soft_rst(CNS3XXX_PWR_SOFTWARE_RST(SATA));
        }
+       of_node_put(dn);
 
        dn = of_find_compatible_node(NULL, NULL, "cavium,cns3420-sdhci");
        if (of_device_is_available(dn)) {
@@ -385,6 +386,7 @@ static void __init cns3xxx_init(void)
                cns3xxx_pwr_clk_en(CNS3XXX_PWR_CLK_EN(SDIO));
                cns3xxx_pwr_soft_rst(CNS3XXX_PWR_SOFTWARE_RST(SDIO));
        }
+       of_node_put(dn);
 
        pm_power_off = cns3xxx_power_off;