| From | Kamal Mostafa <> | Subject | [PATCH 3.13.y-ckt 70/80] gpio: sysfs: fix memory leak in gpiod_sysfs_set_active_low | Date | Thu, 19 Mar 2015 15:35:58 -0700 |
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3.13.11-ckt17 -stable review patch. If anyone has any objections, please let me know.
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From: Johan Hovold <johan@kernel.org>
commit 49d2ca84e433dab854c7a866bc6add09cfab682d upstream.
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: 0769746183ca ("gpiolib: add support for changing value polarity in sysfs") Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> [ kamal: backport to 3.13-stable: applied to drivers/gpio/gpiolib.c ] Signed-off-by: Kamal Mostafa <kamal@canonical.com> --- drivers/gpio/gpiolib.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 1dda7e6..e90efc0 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -942,7 +942,7 @@ 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); -- 1.9.1
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