[PATCH 6.13 116/623] leds: netxbig: Fix an OF node reference leak in netxbig_leds_get_of_pdata()

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6.13-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Joe Hattori <joe@xxxxxxxxxxxxxxxxxxxxx>

[ Upstream commit 0508316be63bb735f59bdc8fe4527cadb62210ca ]

netxbig_leds_get_of_pdata() does not release the OF node obtained by
of_parse_phandle() when of_find_device_by_node() fails. Add an
of_node_put() call to fix the leak.

This bug was found by an experimental static analysis tool that I am
developing.

Fixes: 9af512e81964 ("leds: netxbig: Convert to use GPIO descriptors")
Signed-off-by: Joe Hattori <joe@xxxxxxxxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20241216074923.628509-1-joe@xxxxxxxxxxxxxxxxxxxxx
Signed-off-by: Lee Jones <lee@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/leds/leds-netxbig.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/leds/leds-netxbig.c b/drivers/leds/leds-netxbig.c
index af5a908b8d9ed..e95287416ef87 100644
--- a/drivers/leds/leds-netxbig.c
+++ b/drivers/leds/leds-netxbig.c
@@ -439,6 +439,7 @@ static int netxbig_leds_get_of_pdata(struct device *dev,
 	}
 	gpio_ext_pdev = of_find_device_by_node(gpio_ext_np);
 	if (!gpio_ext_pdev) {
+		of_node_put(gpio_ext_np);
 		dev_err(dev, "Failed to find platform device for gpio-ext\n");
 		return -ENODEV;
 	}
-- 
2.39.5







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