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Kernel: Replace KResult and KResultOr<T> with Error and ErrorOr<T>

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We now use AK::Error and AK::ErrorOr<T> in both kernel and userspace!
This was a slightly tedious refactoring that took a long time, so it's
not unlikely that some bugs crept in.

Nevertheless, it does pass basic functionality testing, and it's just
real nice to finally see the same pattern in all contexts. :^)
This commit is contained in:
Andreas Kling 2021-11-08 00:51:39 +01:00
parent 7ee10c6926
commit 79fa9765ca
262 changed files with 2415 additions and 2600 deletions
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8
Kernel/Bus/USB/SysFSUSB.h
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@ -26,15 +26,15 @@ public:
protected:
explicit SysFSUSBDeviceInformation(USB::Device& device);
virtual KResultOr<size_t> read_bytes(off_t offset, size_t count, UserOrKernelBuffer& buffer, OpenFileDescription*) const override;
virtual ErrorOr<size_t> read_bytes(off_t offset, size_t count, UserOrKernelBuffer& buffer, OpenFileDescription*) const override;
IntrusiveListNode<SysFSUSBDeviceInformation, RefPtr<SysFSUSBDeviceInformation>> m_list_node;
NonnullRefPtr<USB::Device> m_device;
private:
KResult try_generate(KBufferBuilder&);
virtual KResult refresh_data(OpenFileDescription& description) const override;
ErrorOr<void> try_generate(KBufferBuilder&);
virtual ErrorOr<void> refresh_data(OpenFileDescription& description) const override;
mutable Mutex m_lock { "SysFSUSBDeviceInformation" };
};
@ -46,7 +46,7 @@ public:
void plug(USB::Device&);
void unplug(USB::Device&);
virtual KResult traverse_as_directory(unsigned, Function<bool(FileSystem::DirectoryEntryView const&)>) const override;
virtual ErrorOr<void> traverse_as_directory(unsigned, Function<bool(FileSystem::DirectoryEntryView const&)>) const override;
virtual RefPtr<SysFSComponent> lookup(StringView name) override;
private: