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Commit 95ab6d79 authored by Miaoqian Lin's avatar Miaoqian Lin Committed by Greg Kroah-Hartman
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pinctrl: stm32: Fix refcount leak in stm32_pctrl_get_irq_domain 



[ 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: d86f4d71 ("pinctrl: stm32: check irq controller availability at probe")
Signed-off-by: default avatarMiaoqian Lin <linmq006@gmail.com>
Link: https://lore.kernel.org/r/20230102082503.3944927-1-linmq006@gmail.com


Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent fc34608f

drivers/pinctrl/stm32/pinctrl-stm32.c

+1 −0
Original line number Diff line number Diff line
@@ -1250,6 +1250,7 @@ static struct irq_domain *stm32_pctrl_get_irq_domain(struct device_node *np) 
		return ERR_PTR(-ENXIO);



	domain = irq_find_host(parent);

	of_node_put(parent);

	if (!domain)

		/* domain not registered yet */

		return ERR_PTR(-EPROBE_DEFER);