iio: event: Remove negative error code from iio_event_poll
Negative return values are not supported by iio_event_poll since
its return type is unsigned int.
Fixes: f18e7a068a0a3 ("iio: Return -ENODEV for file operations if the device has been unregistered")
Signed-off-by: Cristina Opriceana <cristina.opriceana@gmail.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
diff --git a/drivers/iio/industrialio-event.c b/drivers/iio/industrialio-event.c
index b2f63f9..cae332b 100644
--- a/drivers/iio/industrialio-event.c
+++ b/drivers/iio/industrialio-event.c
@@ -90,7 +90,7 @@
unsigned int events = 0;
if (!indio_dev->info)
- return -ENODEV;
+ return events;
poll_wait(filep, &ev_int->wait, wait);