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leds: gpio: Fix error handling for led name null pointer case

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Make sure that already registered LEDs will be torn down properly
if the name of the next LED to create is unavailable.

Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
This commit is contained in:
Jacek Anaszewski 2015-04-16 00:30:50 -07:00 committed by Bryan Wu
parent 65c6b7e3ab
commit 0e14e0bfe8
1 changed files with 4 additions and 2 deletions
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6
drivers/leds/leds-gpio.c
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@ -198,8 +198,10 @@ static struct gpio_leds_priv *gpio_leds_create(struct platform_device *pdev)
} else {
if (IS_ENABLED(CONFIG_OF) && !led.name && np)
led.name = np->name;
if (!led.name)
return ERR_PTR(-EINVAL);
if (!led.name) {
ret = -EINVAL;
goto err;
}
}
fwnode_property_read_string(child, "linux,default-trigger",
&led.default_trigger);