From: Michal Nazarewicz <mina86@mina86.com>
Date: Wed, 13 Nov 2013 20:20:39 +0000 (+0100)
Subject: gpio: fix memory leak in error path
X-Git-Tag: drm-fsl-dcu-for-next~6304^2~4
X-Git-Url: http://git.agner.ch/gitweb/?a=commitdiff_plain;h=61c6375d55235e67d15b4a12cfe90d02710cef5e;p=linux-drm-fsl-dcu.git

gpio: fix memory leak in error path

Signed-off-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
---

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 490198365ce4..14ab16fbaad5 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -1354,8 +1354,10 @@ int gpiochip_add_pingroup_range(struct gpio_chip *chip,
 	ret = pinctrl_get_group_pins(pctldev, pin_group,
 					&pin_range->range.pins,
 					&pin_range->range.npins);
-	if (ret < 0)
+	if (ret < 0) {
+		kfree(pin_range);
 		return ret;
+	}
 
 	pinctrl_add_gpio_range(pctldev, &pin_range->range);