Jan 28 2016

Input: cap11xx – add missing of_node_put 

Author: Amitoj Kaur Chawla <amitoj1606@gmail.com>

for_each_child_of_node performs an of_node_get on each iteration, so
to break out of the loop an of_node_put is required.

Found using Coccinelle.

Signed-off-by: Amitoj Kaur Chawla 
Signed-off-by: Dmitry Torokhov 
---
 drivers/input/keyboard/cap11xx.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)
 
diff --git a/drivers/input/keyboard/cap11xx.c b/drivers/input/keyboard/cap11xx.c
index 378db10..4401be2 100644
--- a/drivers/input/keyboard/cap11xx.c
+++ b/drivers/input/keyboard/cap11xx.c
@@ -304,8 +304,10 @@ static int cap11xx_init_leds(struct device *dev,
 		led->cdev.brightness = LED_OFF;
 
 		error = of_property_read_u32(child, "reg", &reg);
-		if (error != 0 || reg >= num_leds)
+		if (error != 0 || reg >= num_leds) {
+			of_node_put(child);
 			return -EINVAL;
+		}
 
 		led->reg = reg;
 		led->priv = priv;
@@ -313,8 +315,10 @@ static int cap11xx_init_leds(struct device *dev,
 		INIT_WORK(&led->work, cap11xx_led_work);
 
 		error = devm_led_classdev_register(dev, &led->cdev);
-		if (error)
+		if (error) {
+			of_node_put(child);
 			return error;
+		}
 
 		priv->num_leds++;
 		led++;

qlambert