4.1-stable review patch. If anyone has any objections, please let me know.
------------------
From: Cristina Opriceana <cristina.oprice...@gmail.com>
commit 41d903c00051d8f31c98a8136edbac67e6f8688f upstream.
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.oprice...@gmail.com>
Signed-off-by: Jonathan Cameron <ji...@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
drivers/iio/industrialio-event.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/iio/industrialio-event.c
+++ b/drivers/iio/industrialio-event.c
@@ -84,7 +84,7 @@ static unsigned int iio_event_poll(struc
unsigned int events = 0;
if (!indio_dev->info)
- return -ENODEV;
+ return events;
poll_wait(filep, &ev_int->wait, wait);
--
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