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leds: powernv: add of_node_put() 

of_find_node_by_path() acquires a reference to the node returned by
it and that reference needs to be dropped by its caller.
powernv_led_probe() doesn't do that, so fix it.

Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
This commit is contained in:
Yangtao Li 2018-11-21 07:31:38 -05:00 committed by Jacek Anaszewski
parent 9ff01193a2
commit e41ca3b1ea
1 changed files with 9 additions and 3 deletions
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12
drivers/leds/leds-powernv.c
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@ -285,6 +285,7 @@ static int powernv_led_probe(struct platform_device *pdev)
struct device_node *led_node;
struct powernv_led_common *powernv_led_common;
struct device *dev = &pdev->dev;
int rc;
led_node = of_find_node_by_path("/ibm,opal/leds");
if (!led_node) {
@ -295,15 +296,20 @@ static int powernv_led_probe(struct platform_device *pdev)
powernv_led_common = devm_kzalloc(dev, sizeof(*powernv_led_common),
GFP_KERNEL);
if (!powernv_led_common)
return -ENOMEM;
if (!powernv_led_common) {
rc = -ENOMEM;
goto out;
}
mutex_init(&powernv_led_common->lock);
powernv_led_common->max_led_type = cpu_to_be64(OPAL_SLOT_LED_TYPE_MAX);
platform_set_drvdata(pdev, powernv_led_common);
return powernv_led_classdev(pdev, led_node, powernv_led_common);
rc = powernv_led_classdev(pdev, led_node, powernv_led_common);
out:
of_node_put(led_node);
return rc;
}
/* Platform driver remove */