From 72e831e9e9cf8ccfa194ffb5d65199bdc8670830 Mon Sep 17 00:00:00 2001
From: Liav A <liavalb@gmail.com>
Date: Fri, 22 Oct 2021 20:31:42 +0300
Subject: [PATCH] Kernel/PCI: Ensure m_domains is not empty if scanning with
 memory access

---
 Kernel/Bus/PCI/Access.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Kernel/Bus/PCI/Access.cpp b/Kernel/Bus/PCI/Access.cpp
index c1bded5a41..964afd7e24 100644
--- a/Kernel/Bus/PCI/Access.cpp
+++ b/Kernel/Bus/PCI/Access.cpp
@@ -309,6 +309,7 @@ UNMAP_AFTER_INIT void Access::rescan_hardware_with_memory_addressing()
 {
     MutexLocker locker(m_scan_lock);
     VERIFY(m_device_identifiers.is_empty());
+    VERIFY(!m_domains.is_empty());
     VERIFY(m_access_type == AccessType::Memory);
     for (u32 domain = 0; domain < m_domains.size(); domain++) {
         dbgln_if(PCI_DEBUG, "PCI: Scan memory mapped domain {}", domain);