From: Junlin Yang Date: Mon, 15 Feb 2021 10:36:43 +0000 (+0800) Subject: pinctrl: stm32: add missing of_node_put X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=ffeaa23aa001b46b5fb35cb5e3f5ddb796d9b462;p=linux.git pinctrl: stm32: add missing of_node_put Fix OF node leaks by calling of_node_put in for_each_available_child_of_node when the cycle returns. Generated by: scripts/coccinelle/iterators/for_each_child.cocci Signed-off-by: Junlin Yang Link: https://lore.kernel.org/r/20210215103643.898-1-angkery@163.com Acked-by: Fabien Dessenne Signed-off-by: Linus Walleij --- diff --git a/drivers/pinctrl/stm32/pinctrl-stm32.c b/drivers/pinctrl/stm32/pinctrl-stm32.c index 7d9bdedcd71bb..da72e3e5c08d6 100644 --- a/drivers/pinctrl/stm32/pinctrl-stm32.c +++ b/drivers/pinctrl/stm32/pinctrl-stm32.c @@ -1542,8 +1542,10 @@ int stm32_pctl_probe(struct platform_device *pdev) if (of_property_read_bool(child, "gpio-controller")) { bank->rstc = of_reset_control_get_exclusive(child, NULL); - if (PTR_ERR(bank->rstc) == -EPROBE_DEFER) + if (PTR_ERR(bank->rstc) == -EPROBE_DEFER) { + of_node_put(child); return -EPROBE_DEFER; + } bank->clk = of_clk_get_by_name(child, NULL); if (IS_ERR(bank->clk)) { @@ -1551,6 +1553,7 @@ int stm32_pctl_probe(struct platform_device *pdev) dev_err(dev, "failed to get clk (%ld)\n", PTR_ERR(bank->clk)); + of_node_put(child); return PTR_ERR(bank->clk); } i++;