Merge branch 'for-5.4/hidraw-hiddev-epoll' into for-linus

- proper propagation of EPOLLOUT from hiddev and hidraw, from
  Fabian Henneke
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

drivers/hid/hidraw.c

@@ -252,7 +252,7 @@ static __poll_t hidraw_poll(struct file *file, poll_table *wait)
 
 	poll_wait(file, &list->hidraw->wait, wait);
 	if (list->head != list->tail)
-		return EPOLLIN | EPOLLRDNORM;
+		return EPOLLIN | EPOLLRDNORM | EPOLLOUT;
 	if (!list->hidraw->exist)
 		return EPOLLERR | EPOLLHUP;
 	return 0;

drivers/hid/usbhid/hiddev.c

@@ -428,7 +428,7 @@ static __poll_t hiddev_poll(struct file *file, poll_table *wait)
 
 	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;