diff --git a/fs/eventpoll.c b/fs/eventpoll.c index e0decff22ae2..4b3d749af6a2 100644 --- a/fs/eventpoll.c +++ b/fs/eventpoll.c @@ -1995,9 +1995,9 @@ static int ep_loop_check_proc(void *priv, void *cookie, int call_nests) * during ep_insert(). */ if (list_empty(&epi->ffd.file->f_tfile_llink)) { - get_file(epi->ffd.file); - list_add(&epi->ffd.file->f_tfile_llink, - &tfile_check_list); + if(get_file(epi->ffd.file)) + list_add(&epi->ffd.file->f_tfile_llink, + &tfile_check_list); } } } @@ -2206,8 +2206,8 @@ int do_epoll_ctl(int epfd, int op, int fd, struct epoll_event *epds, if (ep_loop_check(ep, tf.file) != 0) goto error_tgt_fput; } else { - get_file(tf.file); - list_add(&tf.file->f_tfile_llink, + if(get_file(tf.file)) + list_add(&tf.file->f_tfile_llink, &tfile_check_list); } error = epoll_mutex_lock(&ep->mtx, 0, nonblock);