diff --git a/drivers/pinctrl/stm32/pinctrl-stm32.c b/drivers/pinctrl/stm32/pinctrl-stm32.c
index 587dbf1512dc..6ebb8ea260d1 100644
--- a/drivers/pinctrl/stm32/pinctrl-stm32.c
+++ b/drivers/pinctrl/stm32/pinctrl-stm32.c
@@ -1666,8 +1666,12 @@ static int stm32_gpiolib_register_bank(struct stm32_pinctrl *pctl, struct fwnode
 
 		/* get the last defined gpio line (offset + nb of pins) */
 		npins = args.args[0] + args.args[2];
-		while (!fwnode_property_get_reference_args(fwnode, "gpio-ranges", NULL, 3, ++i, &args))
+		fwnode_handle_put(args.fwnode);
+
+		while (!fwnode_property_get_reference_args(fwnode, "gpio-ranges", NULL, 3, ++i, &args)) {
 			npins = max(npins, (int)(args.args[0] + args.args[2]));
+			fwnode_handle_put(args.fwnode);
+		}
 	} else {
 		bank_nr = pctl->nbanks;
 		bank->gpio_chip.base = bank_nr * STM32_GPIO_PINS_PER_BANK;