ARM: versatile: Add missing of_node_put in dcscb_init

The device_node pointer is returned by of_find_compatible_node
with refcount incremented. We should use of_node_put() to avoid
the refcount leak.

Signed-off-by: Peng Wu <wupeng58@huawei.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20220428230356.69418-1-linus.walleij@linaro.org'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

diff --git a/arch/arm/mach-versatile/dcscb.c b/arch/arm/mach-versatile/dcscb.c
index 866270e7f27125f798a89cdf3f0e1b763118454c..d8797350996d9d2660d7edb1a0f58bf02069082a 100644 (file)
--- a/arch/arm/mach-versatile/dcscb.c
+++ b/arch/arm/mach-versatile/dcscb.c
@@ -144,6 +144,7 @@ static int __init dcscb_init(void)
        if (!node)
                return -ENODEV;
        dcscb_base = of_iomap(node, 0);
+       of_node_put(node);
        if (!dcscb_base)
                return -EADDRNOTAVAIL;
        cfg = readl_relaxed(dcscb_base + DCS_CFG_R);