From e9dda8d59261d021d046074f39bc2c0a140a723a Mon Sep 17 00:00:00 2001
From: Andreas Kling <awesomekling@gmail.com>
Date: Mon, 9 Dec 2019 21:03:39 +0100
Subject: [PATCH] Kernel: Give PTY's *actually* unique major ID's

Okay, one "dunce hat" point for me. The new PTY majors conflicted with
PATAChannel. Now they are 200 for master and 201 for slave, not used
by anything else.. I hope!
---
 Kernel/Devices/Device.cpp      | 4 ++++
 Kernel/FileSystem/DevPtsFS.cpp | 2 +-
 Kernel/TTY/MasterPTY.cpp       | 2 +-
 Kernel/TTY/SlavePTY.cpp        | 2 +-
 4 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/Kernel/Devices/Device.cpp b/Kernel/Devices/Device.cpp
index 94f02331b72..ed83cfa2ea7 100644
--- a/Kernel/Devices/Device.cpp
+++ b/Kernel/Devices/Device.cpp
@@ -30,6 +30,10 @@ Device::Device(unsigned major, unsigned minor)
     , m_minor(minor)
 {
     u32 device_id = encoded_device(major, minor);
+    auto it = all_devices().find(device_id);
+    if (it != all_devices().end()) {
+        dbg() << "Already registered " << major << "," << minor << ": " << it->value->class_name();
+    }
     ASSERT(!all_devices().contains(device_id));
     all_devices().set(device_id, this);
 }
diff --git a/Kernel/FileSystem/DevPtsFS.cpp b/Kernel/FileSystem/DevPtsFS.cpp
index 73d2113e516..02bce17d141 100644
--- a/Kernel/FileSystem/DevPtsFS.cpp
+++ b/Kernel/FileSystem/DevPtsFS.cpp
@@ -69,7 +69,7 @@ RefPtr<Inode> DevPtsFS::get_inode(InodeIdentifier inode_id) const
         return m_root_inode;
 
     unsigned pty_index = inode_index_to_pty_index(inode_id.index());
-    auto* device = Device::get_device(11, pty_index);
+    auto* device = Device::get_device(201, pty_index);
     ASSERT(device);
 
     auto inode = adopt(*new DevPtsFSInode(const_cast<DevPtsFS&>(*this), inode_id.index()));
diff --git a/Kernel/TTY/MasterPTY.cpp b/Kernel/TTY/MasterPTY.cpp
index 04a8fc47def..a7715a1678f 100644
--- a/Kernel/TTY/MasterPTY.cpp
+++ b/Kernel/TTY/MasterPTY.cpp
@@ -9,7 +9,7 @@
 //#define MASTERPTY_DEBUG
 
 MasterPTY::MasterPTY(unsigned index)
-    : CharacterDevice(100, index)
+    : CharacterDevice(200, index)
     , m_slave(adopt(*new SlavePTY(*this, index)))
     , m_index(index)
 {
diff --git a/Kernel/TTY/SlavePTY.cpp b/Kernel/TTY/SlavePTY.cpp
index 0a5a389ae5a..fb005b424ff 100644
--- a/Kernel/TTY/SlavePTY.cpp
+++ b/Kernel/TTY/SlavePTY.cpp
@@ -6,7 +6,7 @@
 //#define SLAVEPTY_DEBUG
 
 SlavePTY::SlavePTY(MasterPTY& master, unsigned index)
-    : TTY(101, index)
+    : TTY(201, index)
     , m_master(master)
     , m_index(index)
 {