Always return EPOLLOUT from hiddev_poll when a device is connected.
This is safe since hiddev_write always fails and improves compatibility
with tools like socat.
Signed-off-by: Fabian Henneke <fabian@henneke.me>
In-reply-to: <nycvar.YFH.7.76.
1907171333160.5899@cbobk.fhfr.pm>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
poll_wait(file, &list->hiddev->wait, wait);
if (list->head != list->tail)
- return EPOLLIN | EPOLLRDNORM;
+ return EPOLLIN | EPOLLRDNORM | EPOLLOUT;
if (!list->hiddev->exist)
return EPOLLERR | EPOLLHUP;
return 0;