From 5ca46abb5134d345f1dbbde382f0f4a68c33c63a Mon Sep 17 00:00:00 2001
From: Idan Horowitz <idan.horowitz@gmail.com>
Date: Sat, 9 Jul 2022 23:55:47 +0300
Subject: [PATCH] Kernel: Set POLLHUP on WriteHangUp in sys$poll instead of
 POLLNVAL

POLLNVAL signifies an invalid fd, not a write hang up.
---
 Kernel/Syscalls/poll.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Kernel/Syscalls/poll.cpp b/Kernel/Syscalls/poll.cpp
index a647ce6a43..79efa69433 100644
--- a/Kernel/Syscalls/poll.cpp
+++ b/Kernel/Syscalls/poll.cpp
@@ -97,7 +97,7 @@ ErrorOr<FlatPtr> Process::sys$poll(Userspace<Syscall::SC_poll_params const*> use
             if (has_flag(fds_entry.unblocked_flags, BlockFlags::WriteError))
                 pfd.revents |= POLLERR;
             if (has_flag(fds_entry.unblocked_flags, BlockFlags::WriteHangUp))
-                pfd.revents |= POLLNVAL;
+                pfd.revents |= POLLHUP;
         } else {
             if (has_flag(fds_entry.unblocked_flags, BlockFlags::Read)) {
                 VERIFY(pfd.events & POLLIN);