From 663dea4a609faa50d484ec3d106015bf7da53bff Mon Sep 17 00:00:00 2001
From: Liav A <liavalb@gmail.com>
Date: Tue, 23 Mar 2021 19:51:15 +0200
Subject: [PATCH] Kernel: Return real handler purpose when registered to
 spurious handler

If we registered a real interrupt handler to a spurious one, we should
return its purpose instead of the spurious purpose string.
---
 Kernel/Interrupts/SpuriousInterruptHandler.cpp | 7 +++++++
 Kernel/Interrupts/SpuriousInterruptHandler.h   | 2 +-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/Kernel/Interrupts/SpuriousInterruptHandler.cpp b/Kernel/Interrupts/SpuriousInterruptHandler.cpp
index e276f9f65e..aa16d934d4 100644
--- a/Kernel/Interrupts/SpuriousInterruptHandler.cpp
+++ b/Kernel/Interrupts/SpuriousInterruptHandler.cpp
@@ -57,6 +57,13 @@ bool SpuriousInterruptHandler::eoi()
     return false;
 }
 
+const char* SpuriousInterruptHandler::purpose() const
+{
+    if (!m_real_handler)
+        return "Spurious Interrupt Handler";
+    return m_real_handler->purpose();
+}
+
 SpuriousInterruptHandler::SpuriousInterruptHandler(u8 irq)
     : GenericInterruptHandler(irq)
     , m_responsible_irq_controller(InterruptManagement::the().get_responsible_irq_controller(irq))
diff --git a/Kernel/Interrupts/SpuriousInterruptHandler.h b/Kernel/Interrupts/SpuriousInterruptHandler.h
index 7631149416..cedc80f421 100644
--- a/Kernel/Interrupts/SpuriousInterruptHandler.h
+++ b/Kernel/Interrupts/SpuriousInterruptHandler.h
@@ -50,7 +50,7 @@ public:
     virtual bool is_sharing_with_others() const override { return false; }
 
     virtual HandlerType type() const override { return HandlerType::SpuriousInterruptHandler; }
-    virtual const char* purpose() const override { return "Spurious Interrupt Handler"; }
+    virtual const char* purpose() const override;
     virtual const char* controller() const override;
 
 private: