Everywhere: Convert ByteBuffer factory methods from Optional -> ErrorOr

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. :^)

1 files changed, 1 insertions, 4 deletions

diff --git a/Kernel/Graphics/Bochs/GraphicsAdapter.cpp b/Kernel/Graphics/Bochs/GraphicsAdapter.cpp
index aee5db05ff..166806d7cb 100644
--- a/Kernel/Graphics/Bochs/GraphicsAdapter.cpp
+++ b/Kernel/Graphics/Bochs/GraphicsAdapter.cpp
@@ -281,10 +281,7 @@ ErrorOr<ByteBuffer> BochsGraphicsAdapter::get_edid(size_t output_port_index) con
     if (output_port_index != 0)
         return Error::from_errno(ENODEV);
 
-    auto bytes = ByteBuffer::copy(const_cast<u8 const*>(m_registers->edid_data), sizeof(m_registers->edid_data));
-    if (!bytes.has_value())
-        return Error::from_errno(ENOMEM);
-    return bytes.release_value();
+    return ByteBuffer::copy(const_cast<u8 const*>(m_registers->edid_data), sizeof(m_registers->edid_data));
 }
 
 }