gpio: sifive: Fix refcount leak in sifive_gpio_probe

of_irq_find_parent() returns a node pointer with refcount incremented,
We should use of_node_put() on it when not needed anymore.
Add missing of_node_put() to avoid refcount leak.

Fixes: 96868dce644d ("gpio/sifive: Add GPIO driver for SiFive SoCs")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

diff --git a/drivers/gpio/gpio-sifive.c b/drivers/gpio/gpio-sifive.c
index 238f3210970cfa0ed3d38d43b141afc0e03135e8..bc5660f61c570d770a2d5cb44ee6bd2768aa6189 100644 (file)
--- a/drivers/gpio/gpio-sifive.c
+++ b/drivers/gpio/gpio-sifive.c
@@ -215,6 +215,7 @@ static int sifive_gpio_probe(struct platform_device *pdev)
                return -ENODEV;
        }
        parent = irq_find_host(irq_parent);
+       of_node_put(irq_parent);
        if (!parent) {
                dev_err(dev, "no IRQ parent domain\n");
                return -ENODEV;