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Kernel: Plumb KResult through FileDescription::read_entire_file() implementation.

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Allow file system implementation to return meaningful error codes to
callers of the FileDescription::read_entire_file(). This allows both
Process::sys$readlink() and Process::sys$module_load() to return more
detailed errors to the user.
This commit is contained in:
Brian Gianforcaro 2020-05-26 00:36:11 -07:00 • committed by Andreas Kling
parent c459e4ecb2
commit 6a74af8063
14 changed files with 54 additions and 36 deletions
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2
Kernel/FileSystem/FileDescription.cpp
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@ -158,7 +158,7 @@ bool FileDescription::can_read() const
return m_file->can_read(*this, offset());
}
ByteBuffer FileDescription::read_entire_file()
KResultOr<ByteBuffer> FileDescription::read_entire_file()
{
// HACK ALERT: (This entire function)
ASSERT(m_file->is_inode());