From 37bfc36601c5355e3dbac53c23c735d9c089eb54 Mon Sep 17 00:00:00 2001
From: Andreas Kling <kling@serenityos.org>
Date: Tue, 4 Apr 2023 15:35:32 +0200
Subject: [PATCH] Kernel: Make SlavePTY store pointer to MasterPTY as
 NonnullRefPtr

No need for LockRefPtr here, as the pointer never changes after
initialization.
---
 Kernel/TTY/SlavePTY.cpp | 4 ++--
 Kernel/TTY/SlavePTY.h   | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/Kernel/TTY/SlavePTY.cpp b/Kernel/TTY/SlavePTY.cpp
index e2b0921d51..7d8550df3b 100644
--- a/Kernel/TTY/SlavePTY.cpp
+++ b/Kernel/TTY/SlavePTY.cpp
@@ -35,9 +35,9 @@ bool SlavePTY::unref() const
     return did_hit_zero;
 }
 
-SlavePTY::SlavePTY(MasterPTY& master, unsigned index)
+SlavePTY::SlavePTY(NonnullRefPtr<MasterPTY> master, unsigned index)
     : TTY(201, index)
-    , m_master(master)
+    , m_master(move(master))
     , m_index(index)
 {
     auto& process = Process::current();
diff --git a/Kernel/TTY/SlavePTY.h b/Kernel/TTY/SlavePTY.h
index 585c2f11a2..7161fc9082 100644
--- a/Kernel/TTY/SlavePTY.h
+++ b/Kernel/TTY/SlavePTY.h
@@ -42,9 +42,9 @@ private:
     virtual ErrorOr<void> close() override;
 
     friend class MasterPTY;
-    SlavePTY(MasterPTY&, unsigned index);
+    SlavePTY(NonnullRefPtr<MasterPTY>, unsigned index);
 
-    LockRefPtr<MasterPTY> m_master;
+    NonnullRefPtr<MasterPTY> const m_master;
     time_t m_time_of_last_write { 0 };
     unsigned m_index { 0 };