pinctrl: st: remove gpiochip in failure cases

This patch releases gpiochip related resources by calling
gpiochip_remove when gpiochip_irqchip_add fails.

Cc: Maxime Coquelin <maxime.coquelin@st.com>
Cc: Patrice Chotard <patrice.chotard@st.com>
Cc: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Acked-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Pramod Gurav <pramod.gurav@smartplayin.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/pinctrl/pinctrl-st.c b/drivers/pinctrl/pinctrl-st.c
index 6c4c41b..4b1792a 100644 (file)
--- a/drivers/pinctrl/pinctrl-st.c
+++ b/drivers/pinctrl/pinctrl-st.c
@@ -1517,6 +1517,7 @@ static int st_gpiolib_register_bank(struct st_pinctrl *info,
                                           0, handle_simple_irq,
                                           IRQ_TYPE_LEVEL_LOW);
                if (err) {
+                       gpiochip_remove(&bank->gpio_chip);
                        dev_info(dev, "could not add irqchip\n");
                        return err;
                }