kernel: Remove register_special_device()'s name parameter

This is now duplicate information that can be queried using device->device_path().

kernel/src/arch/x86_64/disk/ATA.cpp

@@ -733,8 +733,7 @@ Result<SharedPtr<Device>> ATADevice::create(SharedPtr<ATA::Drive> drive)
     auto device = TRY(adopt_shared_if_nonnull(new (std::nothrow) ATADevice()));
     device->m_drive = drive;
     device->m_device_path = TRY(ATA::Drive::create_drive_name(drive));
-    TRY(DeviceRegistry::register_special_device(DeviceRegistry::Disk, next_minor++, device,
+    TRY(DeviceRegistry::register_special_device(DeviceRegistry::Disk, next_minor++, device, 0400));
-                                                device->m_device_path.chars(), 0400));
     return (SharedPtr<Device>)device;
 }
 

kernel/src/fs/MBR.cpp

@@ -24,8 +24,7 @@ namespace MBR
         device->m_start_offset = start_block * device->m_block_size;
         device->m_num_blocks = num_blocks;
         device->m_device_path = TRY(create_partition_name(host_device, partition_index));
-        return DeviceRegistry::register_special_device(DeviceRegistry::DiskPartition, next_minor++, device,
+        return DeviceRegistry::register_special_device(DeviceRegistry::DiskPartition, next_minor++, device, 0400);
-                                                       device->m_device_path.chars(), 0400);
     }
 
     Result<usize> PartitionDevice::read(u8* buf, usize offset, usize length) const

kernel/src/fs/devices/ConsoleDevice.cpp

@@ -18,7 +18,7 @@ static bool g_echo { true };
 Result<void> ConsoleDevice::create()
 {
     auto device = (SharedPtr<Device>)TRY(make_shared<ConsoleDevice>());
-    return DeviceRegistry::register_special_device(DeviceRegistry::Console, 0, device, "console");
+    return DeviceRegistry::register_special_device(DeviceRegistry::Console, 0, device);
 }
 
 Result<usize> ConsoleDevice::read(u8* buf, usize, usize length) const

kernel/src/fs/devices/DeviceRegistry.cpp

@@ -42,13 +42,15 @@ namespace DeviceRegistry
         return {};
     }
 
-    Result<void> register_special_device(u32 major, u32 minor, SharedPtr<Device> device, const char* name, mode_t mode)
+    Result<void> register_special_device(u32 major, u32 minor, SharedPtr<Device> device, mode_t mode)
     {
         for (const auto& descriptor : g_available_devices)
         {
             if (descriptor.major == major && descriptor.minor == minor) return err(EEXIST);
         }
 
+        const char* name = device->device_path().chars();
+
         kdbgln("DeviceRegistry: registered new device type %u:%u at path /%s in devfs", major, minor, name);
 
         auto desc = DeviceDescriptor { .device = device, .major = major, .minor = minor, .name = name, .mode = mode };

kernel/src/fs/devices/DeviceRegistry.h

@@ -19,8 +19,7 @@ namespace DeviceRegistry
 
     Result<SharedPtr<Device>> fetch_special_device(u32 major, u32 minor);
 
-    Result<void> register_special_device(u32 major, u32 minor, SharedPtr<Device> device, const char* name,
+    Result<void> register_special_device(u32 major, u32 minor, SharedPtr<Device> device, mode_t mode = 0666);
-                                         mode_t mode = 0666);
 
     Result<void> init();
 

kernel/src/fs/devices/FramebufferDevice.cpp

@@ -6,7 +6,7 @@
 Result<void> FramebufferDevice::create()
 {
     auto device = (SharedPtr<Device>)TRY(make_shared<FramebufferDevice>());
-    return DeviceRegistry::register_special_device(DeviceRegistry::Framebuffer, 0, device, "fb0", 0600);
+    return DeviceRegistry::register_special_device(DeviceRegistry::Framebuffer, 0, device, 0600);
 }
 
 Result<usize> FramebufferDevice::read(u8*, usize, usize) const

kernel/src/fs/devices/FullDevice.cpp

@@ -3,5 +3,5 @@
 Result<void> FullDevice::create()
 {
     auto device = (SharedPtr<Device>)TRY(make_shared<FullDevice>());
-    return DeviceRegistry::register_special_device(DeviceRegistry::Memory, 2, device, "full");
+    return DeviceRegistry::register_special_device(DeviceRegistry::Memory, 2, device);
 }

kernel/src/fs/devices/NullDevice.cpp

@@ -3,5 +3,5 @@
 Result<void> NullDevice::create()
 {
     auto device = (SharedPtr<Device>)TRY(make_shared<NullDevice>());
-    return DeviceRegistry::register_special_device(DeviceRegistry::Memory, 0, device, "null");
+    return DeviceRegistry::register_special_device(DeviceRegistry::Memory, 0, device);
 }

kernel/src/fs/devices/ZeroDevice.cpp

@@ -3,5 +3,5 @@
 Result<void> ZeroDevice::create()
 {
     auto device = (SharedPtr<Device>)TRY(make_shared<ZeroDevice>());
-    return DeviceRegistry::register_special_device(DeviceRegistry::Memory, 1, device, "zero");
+    return DeviceRegistry::register_special_device(DeviceRegistry::Memory, 1, device);
 }