gpiolib: fix unwatch ioctl()

Fix the field having a bit cleared by the unwatch ioctl().

Fixes: 84a30d78e2e4 ("gpiolib: add new ioctl() for monitoring changes in line info")
Signed-off-by: Kent Gibson <warthog618@gmail.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 2982d983c4fdb9598aa74d1ade82497b33e7ebfd..20683695c5983d97394f48830523e08bae2fc01a 100644 (file)
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -1276,7 +1276,7 @@ static long gpio_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
                if (IS_ERR(desc))
                        return PTR_ERR(desc);
 
-               clear_bit(desc_to_gpio(desc), &desc->flags);
+               clear_bit(desc_to_gpio(desc), priv->watched_lines);
                return 0;
        }
        return -EINVAL;