regulator: bq257xx: Fix device node reference leak in bq257xx_reg_dt_parse_gpio()

In bq257xx_reg_dt_parse_gpio(), if fails to get subchild, it returns
without calling of_node_put(child), causing the device node reference
leak.

Fixes: 981dd16 ("regulator: bq257xx: Add bq257xx boost regulator driver")
Signed-off-by: Felix Gu <ustc.gu@gmail.com>
Link: https://patch.msgid.link/20260224-bq257-v1-1-8ebbc731c1c3@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>

Author: outman119

drivers/regulator/bq257xx-regulator.c

@@ -115,11 +115,10 @@ static void bq257xx_reg_dt_parse_gpio(struct platform_device *pdev)
 		return;
 
 	subchild = of_get_child_by_name(child, pdata->desc.of_match);
+	of_node_put(child);
 	if (!subchild)
 		return;
 
-	of_node_put(child);
-
 	pdata->otg_en_gpio = devm_fwnode_gpiod_get_index(&pdev->dev,
 							 of_fwnode_handle(subchild),
 							 "enable", 0,