Commit 0f303db0 authored Jan 26, 2015 by Johan Hovold Committed by Linus Walleij Jan 30, 2015

gpio: sysfs: fix memory leak in gpiod_export_link



Fix memory leak in the gpio sysfs interface due to failure to drop
reference to device returned by class_find_device when creating a link.

Fixes: a4177ee7 ("gpiolib: allow exported GPIO nodes to be named
using sysfs links")
Cc: stable <stable@vger.kernel.org>	# v2.6.32
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

parent b184c388

drivers/gpio/gpiolib-sysfs.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -648,6 +648,7 @@ int gpiod_export_link(struct device dev, const char name,
		if (tdev != NULL) {
		status = sysfs_create_link(&dev->kobj, &tdev->kobj,
		name);
		put_device(tdev);
		} else {
		status = -ENODEV;
		}