iio: double unlock on error path
We should be holding the mutex when we goto error_free_chans.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
diff --git a/drivers/iio/inkern.c b/drivers/iio/inkern.c
index e2aded0..b5afc2f 100644
--- a/drivers/iio/inkern.c
+++ b/drivers/iio/inkern.c
@@ -198,11 +198,12 @@
iio_device_get(chans[mapind].indio_dev);
mapind++;
}
- mutex_unlock(&iio_map_list_lock);
if (mapind == 0) {
ret = -ENODEV;
goto error_free_chans;
}
+ mutex_unlock(&iio_map_list_lock);
+
return chans;
error_free_chans: