Commit 49d2ca84 authored Jan 26, 2015 by Johan Hovold Committed by Linus Walleij Jan 30, 2015

gpio: sysfs: fix memory leak in gpiod_sysfs_set_active_low



Fix memory leak in the gpio sysfs interface due to failure to drop
reference to device returned by class_find_device when setting the
gpio-line polarity.

Fixes: 07697461 ("gpiolib: add support for changing value polarity
in sysfs")
Cc: stable <stable@vger.kernel.org>	# v2.6.33
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

parent 0f303db0

drivers/gpio/gpiolib-sysfs.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -696,7 +696,7 @@ int gpiod_sysfs_set_active_low(struct gpio_desc *desc, int value)
		}

		status = sysfs_set_active_low(desc, dev, value);

		put_device(dev);
		unlock:
		mutex_unlock(&sysfs_lock);