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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
commit b481132418
Notes: sideshowbarker 2024-07-18 04:32:10 +09:00
29 changed files with 85 additions and 118 deletions
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7
Kernel/ProcessExposed.cpp
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@ -131,9 +131,7 @@ KResultOr<size_t> ProcFSGlobalInformation::read_bytes(off_t offset, size_t count
return 0;
ssize_t nread = min(static_cast<off_t>(data_buffer->size() - offset), static_cast<off_t>(count));
if (!buffer.write(data_buffer->data() + offset, nread))
return KResult(EFAULT);
TRY(buffer.write(data_buffer->data() + offset, nread));
return nread;
}
@ -167,8 +165,7 @@ KResultOr<size_t> ProcFSExposedLink::read_bytes(off_t offset, size_t count, User
return KResult(EFAULT);
ssize_t nread = min(static_cast<off_t>(blob->size() - offset), static_cast<off_t>(count));
if (!buffer.write(blob->data() + offset, nread))
return KResult(EFAULT);
TRY(buffer.write(blob->data() + offset, nread));
return nread;
}