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: f18e7a068a ("iio: Return -ENODEV for file operations if the device has been unregistered")

Signed-off-by: Cristina Opriceana <[email protected]>
Cc: <[email protected]>
Signed-off-by: Jonathan Cameron <[email protected]>
This commit is contained in:
Cristina Opriceana 2015-08-03 13:00:47 +03:00 • committed by Jonathan Cameron
commit 41d903c000

View file

@ -90,7 +90,7 @@ static unsigned int iio_event_poll(struct file *filep,
unsigned int events = 0;
if (!indio_dev->info)
return -ENODEV;
return events;
poll_wait(filep, &ev_int->wait, wait);