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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
commit 33b78915d3
Notes: sideshowbarker 2024-07-17 22:09:47 +09:00
31 changed files with 112 additions and 100 deletions
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4
Kernel/Firmware/BIOS.cpp
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@ -156,7 +156,7 @@ Memory::MappedROM map_bios()
Memory::MappedROM mapping;
mapping.size = 128 * KiB;
mapping.paddr = PhysicalAddress(0xe0000);
mapping.region = MM.allocate_kernel_region(mapping.paddr, Memory::page_round_up(mapping.size), {}, Memory::Region::Access::Read).release_value();
mapping.region = MM.allocate_kernel_region(mapping.paddr, Memory::page_round_up(mapping.size).release_value_but_fixme_should_propagate_errors(), {}, Memory::Region::Access::Read).release_value();
return mapping;
}
@ -170,7 +170,7 @@ Memory::MappedROM map_ebda()
size_t ebda_size = (*ebda_length_ptr_b1 << 8) | *ebda_length_ptr_b0;
Memory::MappedROM mapping;
mapping.region = MM.allocate_kernel_region(ebda_paddr.page_base(), Memory::page_round_up(ebda_size), {}, Memory::Region::Access::Read).release_value();
mapping.region = MM.allocate_kernel_region(ebda_paddr.page_base(), Memory::page_round_up(ebda_size).release_value_but_fixme_should_propagate_errors(), {}, Memory::Region::Access::Read).release_value();
mapping.offset = ebda_paddr.offset_in_page();
mapping.size = ebda_size;
mapping.paddr = ebda_paddr;