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Kernel: Make VirtualRangeAllocator setup functions propagate errors

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If an internal allocation failure occurs while setting up a new VRA,
we'll now propagate the error to our caller instead of panicking.
This commit is contained in:
Andreas Kling 2021-11-17 15:51:12 +01:00
parent 0f22ba5bf2
commit 578a576a98
3 changed files with 11 additions and 9 deletions
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10
Kernel/Memory/VirtualRangeAllocator.cpp
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@ -17,20 +17,22 @@ VirtualRangeAllocator::VirtualRangeAllocator()
{
}
void VirtualRangeAllocator::initialize_with_range(VirtualAddress base, size_t size)
ErrorOr<void> VirtualRangeAllocator::initialize_with_range(VirtualAddress base, size_t size)
{
m_total_range = { base, size };
m_available_ranges.insert(base.get(), VirtualRange { base, size });
TRY(m_available_ranges.try_insert(base.get(), VirtualRange { base, size }));
return {};
}
void VirtualRangeAllocator::initialize_from_parent(VirtualRangeAllocator const& parent_allocator)
ErrorOr<void> VirtualRangeAllocator::initialize_from_parent(VirtualRangeAllocator const& parent_allocator)
{
SpinlockLocker lock(parent_allocator.m_lock);
m_total_range = parent_allocator.m_total_range;
m_available_ranges.clear();
for (auto it = parent_allocator.m_available_ranges.begin(); !it.is_end(); ++it) {
m_available_ranges.insert(it.key(), *it);
TRY(m_available_ranges.try_insert(it.key(), VirtualRange(*it)));
}
return {};
}
void VirtualRangeAllocator::dump() const