From: Miaoqian Lin linmq006@gmail.com
[ Upstream commit dcef18c8ac40aa85bb339f64c1dd31dd458b06fb ]
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: d86f4d71e42a ("pinctrl: stm32: check irq controller availability at probe") Signed-off-by: Miaoqian Lin linmq006@gmail.com Link: https://lore.kernel.org/r/20230102082503.3944927-1-linmq006@gmail.com Signed-off-by: Linus Walleij linus.walleij@linaro.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/pinctrl/stm32/pinctrl-stm32.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/pinctrl/stm32/pinctrl-stm32.c b/drivers/pinctrl/stm32/pinctrl-stm32.c index 1cddca506ad7e..cb33a23ab0c11 100644 --- a/drivers/pinctrl/stm32/pinctrl-stm32.c +++ b/drivers/pinctrl/stm32/pinctrl-stm32.c @@ -1382,6 +1382,7 @@ static struct irq_domain *stm32_pctrl_get_irq_domain(struct platform_device *pde return ERR_PTR(-ENXIO);
domain = irq_find_host(parent); + of_node_put(parent); if (!domain) /* domain not registered yet */ return ERR_PTR(-EPROBE_DEFER);