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Kernel/Devices: Defer creation of SysFS component after the constructor

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Instead of doing so in the constructor, let's do immediately after the
constructor, so we can safely pass a reference of a Device, so the
SysFSDeviceComponent constructor can use that object to identify whether
it's a block device or a character device.
This allows to us to not hold a device in SysFSDeviceComponent with a
RefPtr.
Also, we also call the before_removing method in both SlavePTY::unref
and File::unref, so because Device has that method being overrided, it
can ensure the device is removed always cleanly.
This commit is contained in:
Liav A 2021-09-10 14:44:46 +03:00 • committed by Andreas Kling
parent c545d4ffcb
commit f5de4f24b2
41 changed files with 142 additions and 57 deletions
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8
Kernel/Devices/HID/VMWareMouseDevice.cpp
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@ -16,9 +16,11 @@ UNMAP_AFTER_INIT RefPtr<VMWareMouseDevice> VMWareMouseDevice::try_to_initialize(
return {};
if (!VMWareBackdoor::the()->vmmouse_is_absolute())
return {};
auto device = adopt_ref(*new VMWareMouseDevice(ps2_controller));
if (device->initialize())
return device;
auto mouse_device_or_error = try_create_device<VMWareMouseDevice>(ps2_controller);
// FIXME: Find a way to propagate errors
VERIFY(!mouse_device_or_error.is_error());
if (mouse_device_or_error.value()->initialize())
return mouse_device_or_error.release_value();
return {};
}