From d14c2a358352ec40fb7c8236f21df8419876a5e6 Mon Sep 17 00:00:00 2001
From: Pankaj Raghav <dev@pankajraghav.com>
Date: Tue, 16 May 2023 21:37:49 +0200
Subject: [PATCH] Kernel: Move handle_interrupt out-of-line in PCIIRQHandler

Upgrade to GCC 13.1.0 triggered an UBSAN in PCIIRQHandler. Moving the
handle_interrupt() function out-of-line fixes this issue.
---
 Kernel/Interrupts/PCIIRQHandler.cpp | 5 +++++
 Kernel/Interrupts/PCIIRQHandler.h   | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/Kernel/Interrupts/PCIIRQHandler.cpp b/Kernel/Interrupts/PCIIRQHandler.cpp
index ada63ecc0f..d70caae5a7 100644
--- a/Kernel/Interrupts/PCIIRQHandler.cpp
+++ b/Kernel/Interrupts/PCIIRQHandler.cpp
@@ -63,4 +63,9 @@ void PCIIRQHandler::disable_irq()
         device.disable_interrupt(interrupt_number());
 }
 
+bool PCIIRQHandler::handle_interrupt(RegisterState const& regs)
+{
+    return handle_irq(regs);
+}
+
 }
diff --git a/Kernel/Interrupts/PCIIRQHandler.h b/Kernel/Interrupts/PCIIRQHandler.h
index f167b88d3d..a06138f12d 100644
--- a/Kernel/Interrupts/PCIIRQHandler.h
+++ b/Kernel/Interrupts/PCIIRQHandler.h
@@ -18,7 +18,7 @@ class PCIIRQHandler : public GenericInterruptHandler {
 public:
     virtual ~PCIIRQHandler() = default;
 
-    virtual bool handle_interrupt(RegisterState const& regs) override { return handle_irq(regs); }
+    virtual bool handle_interrupt(RegisterState const& regs) override;
     virtual bool handle_irq(RegisterState const&) = 0;
 
     void enable_irq();