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leds/led-class: Add missing put_device()

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Devices found by class_find_device must be freed with put_device().
Otherwise the reference count will not work properly.

Fixes: a96aa64cb572 ("leds/led-class: Handle LEDs with the same name")
Reported-by: Alan Tull <delicious.quinoa@gmail.com>
Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
This commit is contained in:
Ricardo Ribalda Delgado 2015-07-31 13:36:21 +02:00 committed by Jacek Anaszewski
parent 4fc5af8683
commit e5b5a61fcb
1 changed files with 5 additions and 2 deletions
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7
drivers/leds/led-class.c
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@ -228,12 +228,15 @@ static int led_classdev_next_name(const char *init_name, char *name,
{
unsigned int i = 0;
int ret = 0;
struct device *dev;
strlcpy(name, init_name, len);
while (class_find_device(leds_class, NULL, name, match_name) &&
(ret < len))
while ((ret < len) &&
(dev = class_find_device(leds_class, NULL, name, match_name))) {
put_device(dev);
ret = snprintf(name, len, "%s_%u", init_name, ++i);
}
if (ret >= len)
return -ENOMEM;