3.16.7-ckt7 -stable review patch. If anyone has any objections, please let me know.
------------------
From: Johan Hovold <johan@xxxxxxxxxx>
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@xxxxxxxxxx>
Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
[ luis: backported to 3.16:
- file rename: drivers/gpio/gpiolib-sysfs.c -> drivers/gpio/gpiolib.c ]
Signed-off-by: Luis Henriques <luis.henriques@xxxxxxxxxxxxx>
---
drivers/gpio/gpiolib.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 69fc2fcfc3e9..afdca5a6b2a6 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -960,6 +960,7 @@ 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);
--
2.1.4
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