diff options
| author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2018-04-16 13:17:53 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-05-16 10:08:42 +0200 |
| commit | 63e2ae9d75d4c348f47600dcef0f3d90eef7f34e (patch) | |
| tree | 001b2a9a964dc15bdf139d3bef69e67f1312c9d9 /drivers/gpio | |
| parent | 2b0e672598f9ae572b69898cb235fbeffc3e2f8e (diff) | |
gpio: fix error path in lineevent_create
commit f001cc351ad3309ec8736c374e90e5a4bc472d41 upstream.
If gpiod_request() fails the cleanup must not call gpiod_free().
Cc: stable@vger.kernel.org
Fixes: 61f922db7221 ("gpio: userspace ABI for reading GPIO line events")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/gpiolib.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 68102e262922..56b24198741c 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -795,7 +795,7 @@ static int lineevent_create(struct gpio_device *gdev, void __user *ip) desc = &gdev->descs[offset]; ret = gpiod_request(desc, le->label); if (ret) - goto out_free_desc; + goto out_free_label; le->desc = desc; le->eflags = eflags; |