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Everywhere: Convert ByteBuffer factory methods from Optional -> ErrorOr

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Apologies for the enormous commit, but I don't see a way to split this
up nicely. In the vast majority of cases it's a simple change. A few
extra places can use TRY instead of manual error checking though. :^)
This commit is contained in:
Sam Atkins 2022-01-20 17:47:39 +00:00 • committed by Andreas Kling
parent 140f1d9e55
commit 45cf40653a
79 changed files with 202 additions and 274 deletions
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8
Kernel/Graphics/Intel/NativeGraphicsAdapter.cpp
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@ -661,12 +661,8 @@ ErrorOr<ByteBuffer> IntelNativeGraphicsAdapter::get_edid(size_t output_port_inde
return Error::from_errno(ENODEV);
}
if (m_crt_edid.has_value()) {
auto bytes = ByteBuffer::copy(m_crt_edid_bytes, sizeof(m_crt_edid_bytes));
if (!bytes.has_value())
return Error::from_errno(ENOMEM);
return bytes.release_value();
}
if (m_crt_edid.has_value())
return ByteBuffer::copy(m_crt_edid_bytes, sizeof(m_crt_edid_bytes));
return ByteBuffer {};
}