From f6ae9f8a6dfa1001e15eb14c4febd8d5b88ce91e Mon Sep 17 00:00:00 2001
From: Idan Horowitz <idan.horowitz@gmail.com>
Date: Mon, 22 Apr 2024 12:25:06 +0300
Subject: [PATCH] Kernel: Reset enumerated buses bitmap before enumerating PCI
 devices

This allows this method to be used more than once.
---
 Kernel/Bus/PCI/Controller/HostController.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Kernel/Bus/PCI/Controller/HostController.cpp b/Kernel/Bus/PCI/Controller/HostController.cpp
index 22fafb2109f..75fdef264f0 100644
--- a/Kernel/Bus/PCI/Controller/HostController.cpp
+++ b/Kernel/Bus/PCI/Controller/HostController.cpp
@@ -108,6 +108,7 @@ UNMAP_AFTER_INIT void HostController::enumerate_attached_devices(Function<void(E
 {
     VERIFY(Access::the().access_lock().is_locked());
     VERIFY(Access::the().scan_lock().is_locked());
+    m_enumerated_buses.fill(false);
     // First scan bus 0. Find any device on that bus, and if it's a PCI-to-PCI
     // bridge, recursively scan it too.
     m_enumerated_buses.set(m_domain.start_bus(), true);