From 0ddb8be317f1b771c92be3c3905223774d1ee2a2 Mon Sep 17 00:00:00 2001
From: "Hui, Chunyang" <sanqian.hcy@antfin.com>
Date: Mon, 5 Jun 2023 06:39:02 +0000
Subject: [PATCH] [poll] Fix panic for non-opened fds

---
 src/libos/src/net/io_multiplexing/poll_new/mod.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/libos/src/net/io_multiplexing/poll_new/mod.rs b/src/libos/src/net/io_multiplexing/poll_new/mod.rs
index b32286ea..d430d71c 100644
--- a/src/libos/src/net/io_multiplexing/poll_new/mod.rs
+++ b/src/libos/src/net/io_multiplexing/poll_new/mod.rs
@@ -35,6 +35,7 @@ pub fn do_poll_new(poll_fds: &[PollFd], mut timeout: Option<&mut Duration>) -> R
             if file.is_none() {
                 poll_fd.revents.set(IoEvents::NVAL);
                 invalid_fd_count += 1;
+                return None;
             }
 
             Some((file.unwrap(), poll_fd.events))