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Kernel: Make Inode::traverse_as_directory() callback return ErrorOr
This allows us to propagate errors from inside the callback with TRY().
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31 changed files with 154 additions and 151 deletions
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@ -91,17 +91,17 @@ ErrorOr<size_t> SysFSUSBDeviceInformation::read_bytes(off_t offset, size_t count
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return nread;
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}
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ErrorOr<void> SysFSUSBBusDirectory::traverse_as_directory(unsigned fsid, Function<bool(FileSystem::DirectoryEntryView const&)> callback) const
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ErrorOr<void> SysFSUSBBusDirectory::traverse_as_directory(unsigned fsid, Function<ErrorOr<void>(FileSystem::DirectoryEntryView const&)> callback) const
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{
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SpinlockLocker lock(m_lock);
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// Note: if the parent directory is null, it means something bad happened as this should not happen for the USB directory.
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VERIFY(m_parent_directory);
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callback({ ".", { fsid, component_index() }, 0 });
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callback({ "..", { fsid, m_parent_directory->component_index() }, 0 });
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TRY(callback({ ".", { fsid, component_index() }, 0 }));
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TRY(callback({ "..", { fsid, m_parent_directory->component_index() }, 0 }));
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for (auto& device_node : m_device_nodes) {
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InodeIdentifier identifier = { fsid, device_node.component_index() };
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callback({ device_node.name(), identifier, 0 });
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TRY(callback({ device_node.name(), identifier, 0 }));
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}
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return {};
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}
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