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

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 { } else {
if (IS_ENABLED(CONFIG_OF) && !led.name && np) if (IS_ENABLED(CONFIG_OF) && !led.name && np)
led.name = np->name; led.name = np->name;
if (!led.name) if (!led.name) {
return ERR_PTR(-EINVAL); ret = -EINVAL;
goto err;
}
} }
fwnode_property_read_string(child, "linux,default-trigger", fwnode_property_read_string(child, "linux,default-trigger",
&led.default_trigger); &led.default_trigger);