[PATCH 09/10] OF: gpio: fix device_node leakage

Marco Felsch m.felsch at pengutronix.de
Fri Jun 2 00:49:20 PDT 2023


Drop the device_node after we are done.

Signed-off-by: Marco Felsch <m.felsch at pengutronix.de>
---
 drivers/of/of_gpio.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/of/of_gpio.c b/drivers/of/of_gpio.c
index c20133bbfd..76398f7542 100644
--- a/drivers/of/of_gpio.c
+++ b/drivers/of/of_gpio.c
@@ -76,16 +76,17 @@ int of_get_named_gpio_flags(struct device_node *np, const char *propname,
 	if (!dev) {
 		pr_debug("%s: unable to find device of node %s\n",
 			 __func__, gpiospec.np->full_name);
-		return -EPROBE_DEFER;
+		ret = -EPROBE_DEFER;
+		goto out;
 	}
 
 	ret = gpio_get_num(dev, gpiospec.args[0]);
 	if (ret == -EPROBE_DEFER)
-		return ret;
+		goto out;
 	if (ret < 0) {
 		pr_err("%s: unable to get gpio num of device %s: %d\n",
 			__func__, dev_name(dev), ret);
-		return ret;
+		goto out;
 	}
 
 	if (flags) {
@@ -93,6 +94,9 @@ int of_get_named_gpio_flags(struct device_node *np, const char *propname,
 		of_gpio_flags_quirks(np, propname, flags, index);
 	}
 
+out:
+	of_node_put(gpiospec.np);
+
 	return ret;
 }
 EXPORT_SYMBOL(of_get_named_gpio_flags);
-- 
2.39.2




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