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Kernel: Propagate overflow errors from Memory::page_round_up

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Fixes #11402.
This commit is contained in:
Guilherme Goncalves 2021-12-24 11:22:11 -03:00 • committed by Andreas Kling
parent 11599a3342
commit 33b78915d3
31 changed files with 112 additions and 100 deletions
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2
Kernel/Bus/VirtIO/Queue.cpp
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@ -17,7 +17,7 @@ Queue::Queue(u16 queue_size, u16 notify_offset)
size_t size_of_descriptors = sizeof(QueueDescriptor) * queue_size;
size_t size_of_driver = sizeof(QueueDriver) + queue_size * sizeof(u16);
size_t size_of_device = sizeof(QueueDevice) + queue_size * sizeof(QueueDeviceItem);
auto queue_region_size = Memory::page_round_up(size_of_descriptors + size_of_driver + size_of_device);
auto queue_region_size = Memory::page_round_up(size_of_descriptors + size_of_driver + size_of_device).release_value_but_fixme_should_propagate_errors();
if (queue_region_size <= PAGE_SIZE)
m_queue_region = MM.allocate_kernel_region(queue_region_size, "VirtIO Queue", Memory::Region::Access::ReadWrite).release_value();
else