fs/epoll: rename check_events label to send_events

It is currently called check_events because it, well, did exactly that.
However, since the lockless ep_events_available() call, the label no
longer checks, but just sends the events.  Rename as such.

Link: http://lkml.kernel.org/r/20181114182532.27981-1-dave@stgolabs.netSigned-off-by: Davidlohr Bueso <dbueso@suse.de>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Jason Baron <jbaron@akamai.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

fs/eventpoll.c

@@ -1774,7 +1774,7 @@ static int ep_poll(struct eventpoll *ep, struct epoll_event __user *events,
 		eavail = ep_events_available(ep);
 		spin_unlock_irq(&ep->wq.lock);
 
-		goto check_events;
+		goto send_events;
 	}
 
 fetch_events:
@@ -1784,7 +1784,7 @@ static int ep_poll(struct eventpoll *ep, struct epoll_event __user *events,
 
 	eavail = ep_events_available(ep);
 	if (eavail)
-		goto check_events;
+		goto send_events;
 
 	/*
 	 * Busy poll timed out.  Drop NAPI ID for now, we can add
@@ -1841,7 +1841,7 @@ static int ep_poll(struct eventpoll *ep, struct epoll_event __user *events,
 	__remove_wait_queue(&ep->wq, &wait);
 	spin_unlock_irq(&ep->wq.lock);
 
-check_events:
+send_events:
 	/*
 	 * Try to transfer events to user space. In case we get 0 events and
 	 * there's still timeout left over, we go trying again in search of