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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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2
Kernel/Interrupts/APIC.cpp
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@ -309,7 +309,7 @@ UNMAP_AFTER_INIT bool APIC::init_bsp()
UNMAP_AFTER_INIT static NonnullOwnPtr<Memory::Region> create_identity_mapped_region(PhysicalAddress paddr, size_t size)
{
auto maybe_vmobject = Memory::AnonymousVMObject::try_create_for_physical_range(paddr, size);
// FIXME: Would be nice to be able to return a KResultOr from here.
// FIXME: Would be nice to be able to return a ErrorOr from here.
VERIFY(!maybe_vmobject.is_error());
auto region_or_error = MM.allocate_kernel_region_with_vmobject(