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| author | Yangtao Li <tiny.windzz@gmail.com> | 2018-11-21 13:31:38 +0100 |
|---|---|---|
| committer | Jacek Anaszewski <jacek.anaszewski@gmail.com> | 2018-11-21 20:23:14 +0100 |
| commit | e41ca3b1eab89f3d50d0910adb7d6f49ac82d604 (patch) | |
| tree | 84286e70017fed074252c9bb6e7c7ca4fd5d86b4 /drivers/leds/leds-powernv.c | |
| parent | Linux 4.20-rc3 (diff) | |
| download | linux-e41ca3b1eab89f3d50d0910adb7d6f49ac82d604.tar.xz linux-e41ca3b1eab89f3d50d0910adb7d6f49ac82d604.zip | |
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>
Diffstat (limited to 'drivers/leds/leds-powernv.c')
| -rw-r--r-- | drivers/leds/leds-powernv.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/leds/leds-powernv.c b/drivers/leds/leds-powernv.c index b1adbd70ce2e..fbab86cb3cc7 100644 --- a/drivers/leds/leds-powernv.c +++ b/drivers/leds/leds-powernv.c @@ -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 */ |