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Kernel: Make UserOrKernelBuffer return KResult from read/write/memset

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This allows us to simplify a whole bunch of call sites with TRY(). :^)
This commit is contained in:
Andreas Kling 2021-09-07 12:09:52 +02:00
parent 7bf8844499
commit b481132418
29 changed files with 85 additions and 118 deletions
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7
Kernel/FileSystem/BlockBasedFileSystem.cpp
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@ -156,8 +156,7 @@ KResult BlockBasedFileSystem::write_block(BlockIndex index, const UserOrKernelBu
// Fill the cache first.
TRY(read_block(index, nullptr, block_size()));
}
if (!data.read(entry.data + offset, count))
return EFAULT;
TRY(data.read(entry.data + offset, count));
cache->mark_dirty(entry);
entry.has_data = true;
@ -238,8 +237,8 @@ KResult BlockBasedFileSystem::read_block(BlockIndex index, UserOrKernelBuffer* b
VERIFY(nread == block_size());
entry.has_data = true;
}
if (buffer && !buffer->write(entry.data + offset, count))
return EFAULT;
if (buffer)
TRY(buffer->write(entry.data + offset, count));
return KSuccess;
});
}