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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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4
Kernel/Storage/Partition/MBRPartitionTable.cpp
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@ -47,7 +47,7 @@ bool MBRPartitionTable::read_boot_record()
MBRPartitionTable::MBRPartitionTable(const StorageDevice& device, u32 start_lba)
: PartitionTable(device)
, m_start_lba(start_lba)
, m_cached_header(ByteBuffer::create_zeroed(m_device->block_size()).release_value()) // FIXME: Do something sensible if this fails because of OOM.
, m_cached_header(ByteBuffer::create_zeroed(m_device->block_size()).release_value_but_fixme_should_propagate_errors()) // FIXME: Do something sensible if this fails because of OOM.
{
if (!read_boot_record() || !initialize())
return;
@ -68,7 +68,7 @@ MBRPartitionTable::MBRPartitionTable(const StorageDevice& device, u32 start_lba)
MBRPartitionTable::MBRPartitionTable(const StorageDevice& device)
: PartitionTable(device)
, m_start_lba(0)
, m_cached_header(ByteBuffer::create_zeroed(m_device->block_size()).release_value()) // FIXME: Do something sensible if this fails because of OOM.
, m_cached_header(ByteBuffer::create_zeroed(m_device->block_size()).release_value_but_fixme_should_propagate_errors()) // FIXME: Do something sensible if this fails because of OOM.
{
if (!read_boot_record() || contains_ebr() || is_protective_mbr() || !initialize())
return;