linux-kernel - [PATCH] gpio: fix memory leak in error path

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Date:	Wed, 13 Nov 2013 21:20:39 +0100
From:	Michal Nazarewicz <mpn@...gle.com>
To:	Linus Walleij <linus.walleij@...aro.org>
Cc:	linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] gpio: fix memory leak in error path

From: Michal Nazarewicz <mina86@...a86.com>

Signed-off-by: Michal Nazarewicz <mina86@...a86.com>
---
 drivers/gpio/gpiolib.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 4e10b10..068011c 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -1341,8 +1341,10 @@ 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);
 
-- 
1.8.4.1

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