leds: lp50xx: Put fwnode in error case during ->probe()

fwnode_for_each_child_node() bumps a reference counting of a returned variable.
We have to balance it whenever we return to the caller.

OTOH, the successful iteration will drop reference count under the hood, no need
to do it twice.

Fixes: 242b81170fb8 ("leds: lp50xx: Add the LP50XX family of the RGB LED driver")
Cc: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>

diff --git a/drivers/leds/leds-lp50xx.c b/drivers/leds/leds-lp50xx.c
index 0623061..401df1e 100644 (file)
--- a/drivers/leds/leds-lp50xx.c
+++ b/drivers/leds/leds-lp50xx.c
@@ -490,6 +490,7 @@ static int lp50xx_probe_dt(struct lp50xx *priv)
                        ret = fwnode_property_read_u32(led_node, "color",
                                                       &color_id);
                        if (ret) {
+                               fwnode_handle_put(led_node);
                                dev_err(priv->dev, "Cannot read color\n");
                                goto child_out;
                        }
@@ -512,7 +513,6 @@ static int lp50xx_probe_dt(struct lp50xx *priv)
                        goto child_out;
                }
                i++;
-               fwnode_handle_put(child);
        }
 
        return 0;