[PATCH 3.16.y-ckt 058/135] pinctrl: lantiq: Release gpiochip resources in fail case

[Luis Henriques]

3.16.7-ckt6 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Pramod Gurav <pramod.gurav at smartplayin.com>

commit 849a8c25c80a2cde824072813bf4aabbc79b8789 upstream.

This patch releases gpiochip resources with of_gpiochip_remove
and gpiochip_remove in failure cases.

CC: John Crispin <blogic at openwrt.org>
CC: Linus Walleij <linus.walleij at linaro.org>
Signed-off-by: Pramod Gurav <pramod.gurav at smartplayin.com>
Signed-off-by: Linus Walleij <linus.walleij at linaro.org>
Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
---
 drivers/pinctrl/pinctrl-xway.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/pinctrl/pinctrl-xway.c b/drivers/pinctrl/pinctrl-xway.c
index e66f4cae7633..37040ab42890 100644
--- a/drivers/pinctrl/pinctrl-xway.c
+++ b/drivers/pinctrl/pinctrl-xway.c
@@ -801,6 +801,7 @@ static int pinmux_xway_probe(struct platform_device *pdev)
 	of_gpiochip_add(&xway_chip);
 	ret = gpiochip_add(&xway_chip);
 	if (ret) {
+		of_gpiochip_remove(&xway_chip);
 		dev_err(&pdev->dev, "Failed to register gpio chip\n");
 		return ret;
 	}
@@ -822,6 +823,7 @@ static int pinmux_xway_probe(struct platform_device *pdev)
 	/* register with the generic lantiq layer */
 	ret = ltq_pinctrl_register(pdev, &xway_info);
 	if (ret) {
+		gpiochip_remove(&xway_chip);
 		dev_err(&pdev->dev, "Failed to register pinctrl driver\n");
 		return ret;
 	}
-- 
2.1.4