pinctrl: rockchip: missing unlock on error in rockchip_set_pull()
pinctrl: rockchip: missing unlock on error in rockchip_set_pull()

We need to unlock here before returning -EINVAL.

Fixes: 6ca5274d1d12 ('pinctrl: rockchip: add rk3188 specifics')

Signed-off-by: Dan Carpenter <ff341aa343d564f9e53e9dcb6996be8c04859a66@oracle.com>
Acked-by: Heiko Stuebner <9ab5f52a1ca0bcf4f70d6d9008e02f6134b5b8f2@sntech.de>
Signed-off-by: Linus Walleij <9cd9d802d23c0ed5e224beabf4ae4a5c478746ef@linaro.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs