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-rw-r--r--fs/eventpoll.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/eventpoll.c b/fs/eventpoll.c
index 82ab9a25f12f..16313180e4c1 100644
--- a/fs/eventpoll.c
+++ b/fs/eventpoll.c
@@ -2181,6 +2181,7 @@ int do_epoll_ctl(int epfd, int op, int fd, struct epoll_event *epds,
goto error_tgt_fput;
if (op == EPOLL_CTL_ADD) {
if (!list_empty(&f.file->f_ep_links) ||
+ ep->gen == loop_check_gen ||
is_file_epoll(tf.file)) {
mutex_unlock(&ep->mtx);
error = epoll_mutex_lock(&epmutex, 0, nonblock);