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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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5
Kernel/Graphics/Console/ContiguousFramebufferConsole.cpp
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@ -27,8 +27,9 @@ void ContiguousFramebufferConsole::set_resolution(size_t width, size_t height, s
m_height = height;
m_pitch = pitch;
dbgln("Framebuffer Console: taking {} bytes", Memory::page_round_up(pitch * height));
auto region_or_error = MM.allocate_kernel_region(m_framebuffer_address, Memory::page_round_up(pitch * height), "Framebuffer Console", Memory::Region::Access::ReadWrite, Memory::Region::Cacheable::Yes);
size_t size = Memory::page_round_up(pitch * height).release_value_but_fixme_should_propagate_errors();
dbgln("Framebuffer Console: taking {} bytes", size);
auto region_or_error = MM.allocate_kernel_region(m_framebuffer_address, size, "Framebuffer Console", Memory::Region::Access::ReadWrite, Memory::Region::Cacheable::Yes);
VERIFY(!region_or_error.is_error());
m_framebuffer_region = region_or_error.release_value();

2
Kernel/Graphics/Console/VGAConsole.cpp
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@ -11,7 +11,7 @@ namespace Kernel::Graphics {
UNMAP_AFTER_INIT VGAConsole::VGAConsole(const VGACompatibleAdapter& adapter, Mode mode, size_t width, size_t height)
: Console(width, height)
, m_vga_region(MM.allocate_kernel_region(PhysicalAddress(0xa0000), Memory::page_round_up(0xc0000 - 0xa0000), "VGA Display", Memory::Region::Access::ReadWrite).release_value())
, m_vga_region(MM.allocate_kernel_region(PhysicalAddress(0xa0000), Memory::page_round_up(0xc0000 - 0xa0000).release_value_but_fixme_should_propagate_errors(), "VGA Display", Memory::Region::Access::ReadWrite).release_value())
, m_adapter(adapter)
, m_mode(mode)
{