diff options
| author |   Johan Hovold <johan@kernel.org> | 2015-01-26 12:02:45 +0100 |
|---|---|---|
| committer |   Linus Walleij <linus.walleij@linaro.org> | 2015-01-30 10:28:27 +0100 |
| commit | 0f303db08df0df9bd0966443ad6001e63960af16 (patch) | |
| tree | 00a442ddbbcabf6cebddb374884b7ab064347c92 /drivers/gpio | |
| parent | gpio: mcp23s08: handle default gpio base (diff) | |
| download | linux-dev-0f303db08df0df9bd0966443ad6001e63960af16.tar.xz linux-dev-0f303db08df0df9bd0966443ad6001e63960af16.zip | |
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: a4177ee7f1a8 ("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>
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/gpiolib-sysfs.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpio/gpiolib-sysfs.c b/drivers/gpio/gpiolib-sysfs.c index f62aa115d79a..4667830f350e 100644 --- a/drivers/gpio/gpiolib-sysfs.c +++ b/drivers/gpio/gpiolib-sysfs.c @@ -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; } |