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Kernel: Propagate overflow errors from Memory::page_round_up
Fixes #11402.
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31 changed files with 112 additions and 100 deletions
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@ -21,7 +21,7 @@ RefPtr<ScatterGatherList> ScatterGatherList::try_create(AsyncBlockDeviceRequest&
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ScatterGatherList::ScatterGatherList(NonnullRefPtr<AnonymousVMObject> vm_object, AsyncBlockDeviceRequest& request, size_t device_block_size)
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: m_vm_object(move(vm_object))
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{
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auto region_or_error = MM.allocate_kernel_region_with_vmobject(m_vm_object, page_round_up((request.block_count() * device_block_size)), "AHCI Scattered DMA", Region::Access::Read | Region::Access::Write, Region::Cacheable::Yes);
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auto region_or_error = MM.allocate_kernel_region_with_vmobject(m_vm_object, page_round_up((request.block_count() * device_block_size)).release_value_but_fixme_should_propagate_errors(), "AHCI Scattered DMA", Region::Access::Read | Region::Access::Write, Region::Cacheable::Yes);
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if (region_or_error.is_error())
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TODO();
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m_dma_region = region_or_error.release_value();
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