leds/led-class: Add missing put_device()

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>

1 files changed, 5 insertions, 2 deletions

diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c
index beabfbc6f7cd..ca51d58bed24 100644
--- a/drivers/leds/led-class.c
+++ b/drivers/leds/led-class.c
@@ -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;