pinctrl: stm32: Fix refcount leak in stm32_pctrl_get_irq_domain

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: d86f4d7 ("pinctrl: stm32: check irq controller availability at probe") Signed-off-by: Miaoqian Lin <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Linus Walleij <[email protected]>
sedwards · Jan 9, 2023 · dcef18c · dcef18c
1 parent a7cc0e2
commit dcef18c
Showing 1 changed file with 1 addition and 0 deletions.
diff --git 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);