From 5750f87396c5e883a3cf0012588119d3ec5052b8 Mon Sep 17 00:00:00 2001
From: Bananymous <oskari.alaranta@bananymous.com>
Date: Thu, 21 Nov 2024 13:46:09 +0200
Subject: [PATCH] Kernel: Fix unaligned access in xHCI controller
 initialization

---
 kernel/kernel/USB/XHCI/Controller.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/kernel/kernel/USB/XHCI/Controller.cpp b/kernel/kernel/USB/XHCI/Controller.cpp
index cc801133..02691ddb 100644
--- a/kernel/kernel/USB/XHCI/Controller.cpp
+++ b/kernel/kernel/USB/XHCI/Controller.cpp
@@ -159,7 +159,13 @@ namespace Kernel
 				{
 					auto& protocol = reinterpret_cast<volatile XHCI::SupportedPrococolCap&>(ext_cap);
 
-					if (protocol.name_string != *reinterpret_cast<const uint32_t*>("USB "))
+					const uint32_t target_name_string {
+						('U' <<  0) |
+						('S' <<  8) |
+						('B' << 16) |
+						(' ' << 24)
+					};
+					if (protocol.name_string != target_name_string)
 					{
 						dwarnln("Invalid port protocol name string");
 						return BAN::Error::from_errno(EFAULT);