The call to of_parse_phandle returns a node pointer with refcount incremented thus it must be explicitly decremented after the last usage.
Detected by coccinelle with the following warnings: ./drivers/pinctrl/pinctrl-rockchip.c:3221:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 3196, but without a corresponding object release within this function. ./drivers/pinctrl/pinctrl-rockchip.c:3223:1-7: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 3196, but without a corresponding object release within this function. Signed-off-by: Wen Yang <[email protected]> Cc: Linus Walleij <[email protected]> Cc: Heiko Stuebner <[email protected]> Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] --- drivers/pinctrl/pinctrl-rockchip.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c index 16bf21b..e22d387 100644 --- a/drivers/pinctrl/pinctrl-rockchip.c +++ b/drivers/pinctrl/pinctrl-rockchip.c @@ -3195,6 +3195,7 @@ static int rockchip_get_bank_data(struct rockchip_pin_bank *bank, node = of_parse_phandle(bank->of_node->parent, "rockchip,pmu", 0); + of_node_put(node); if (!node) { if (of_address_to_resource(bank->of_node, 1, &res)) { dev_err(info->dev, "cannot find IO resource for bank\n"); -- 2.9.5

