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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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6
Kernel/FileSystem/TmpFS.cpp
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@@ -138,8 +138,7 @@ KResultOr<size_t> TmpFSInode::read_bytes(off_t offset, size_t size, UserOrKernel
if (static_cast<off_t>(size) > m_metadata.size - offset)
size = m_metadata.size - offset;
if (!buffer.write(m_content->data() + offset, size))
return EFAULT;
TRY(buffer.write(m_content->data() + offset, size));
return size;
}
@@ -182,8 +181,7 @@ KResultOr<size_t> TmpFSInode::write_bytes(off_t offset, size_t size, const UserO
notify_watchers();
}
if (!buffer.read(m_content->data() + offset, size)) // TODO: partial reads?
return EFAULT;
TRY(buffer.read(m_content->data() + offset, size)); // TODO: partial reads?
did_modify_contents();
return size;