From ef1b08722fb27cbc37fb57101d6beb6ffeba83a1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marcin=20Miko=C5=82ajczyk?= <marcinmikolajcz@gmail.com>
Date: Mon, 21 Jul 2025 20:06:52 +0100
Subject: [PATCH] posix_select: ignore device fds

---
 src/core/libraries/kernel/file_system.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/core/libraries/kernel/file_system.cpp b/src/core/libraries/kernel/file_system.cpp
index cb85d1bc2..d322c11b4 100644
--- a/src/core/libraries/kernel/file_system.cpp
+++ b/src/core/libraries/kernel/file_system.cpp
@@ -1263,10 +1263,16 @@ s32 PS4_SYSV_ABI posix_select(int nfds, fd_set* readfds, fd_set* writefds, fd_se
                     return static_cast<int>(file->f.GetFileMapping());
                 case Core::FileSys::FileType::Socket:
                     return file->socket->Native();
+                case Core::FileSys::FileType::Device:
+                    LOG_ERROR(Kernel_Fs, "device fds are not supported");
+                    return -1;
                 default:
                     UNREACHABLE();
                 }
             }();
+            if (fd == -1) {
+                continue;
+            }
             host_to_guest.emplace(fd, i);
 
             max_fd = std::max(max_fd, fd);