fs: eventpoll: prevent all wakeups by eventpoll

Signed-off-by: Samuel Pascua <[email protected]>
ananjaser1211 · Mar 21, 2021 · 2524006 · 2524006
1 parent 1e9240f
commit 2524006
Showing 1 changed file with 1 addition and 2 deletions.
diff --git a/fs/eventpoll.c b/fs/eventpoll.c
@@ -1865,8 +1865,7 @@ SYSCALL_DEFINE4(epoll_ctl, int, epfd, int, op, int, fd,
 		goto error_tgt_fput;
 
 	/* Check if EPOLLWAKEUP is allowed */
-	if (ep_op_has_event(op))
-		ep_take_care_of_epollwakeup(&epds);
+	epds.events &= ~EPOLLWAKEUP;
 
 	/*
 	 * We have to check that the file structure underneath the file descriptor