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Kernel: Make Kernel::VMObject allocation functions return KResultOr

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This makes for nicer handling of errors compared to checking whether a
RefPtr is null. Additionally, this will give way to return different
types of errors in the future.
This commit is contained in:
sin-ack 2021-08-15 09:07:59 +00:00 • committed by Andreas Kling
parent 61c0e3ca92
commit 4bfd6e41b9
26 changed files with 194 additions and 122 deletions
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3
Kernel/Graphics/VGACompatibleAdapter.cpp
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@ -33,7 +33,8 @@ UNMAP_AFTER_INIT void VGACompatibleAdapter::initialize_framebuffer_devices()
VERIFY(m_framebuffer_height != 0);
VERIFY(m_framebuffer_pitch != 0);
m_framebuffer_device = FramebufferDevice::create(*this, 0, m_framebuffer_address, m_framebuffer_width, m_framebuffer_height, m_framebuffer_pitch);
m_framebuffer_device->initialize();
// FIXME: Would be nice to be able to return KResult here.
VERIFY(!m_framebuffer_device->initialize().is_error());
}
UNMAP_AFTER_INIT VGACompatibleAdapter::VGACompatibleAdapter(PCI::Address address)