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Kernel: Fix crash when opening GPU3DDevice without creating a context

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This commit is contained in:
Sahan Fernando 2022-03-18 19:18:02 +11:00 • committed by Ali Mohammad Pur
parent 3bbb5734af
commit 8601f74d5f
2 changed files with 2 additions and 3 deletions
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3
Kernel/Graphics/VirtIOGPU/GPU3DDevice.cpp
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@ -62,8 +62,7 @@ ErrorOr<void> GPU3DDevice::ioctl(OpenFileDescription& description, unsigned requ
// TODO: Delete the context if it fails to be set in m_context_state_lookup
auto context_id = m_graphics_adapter.create_context();
RefPtr<PerContextState> per_context_state = TRY(PerContextState::try_create(context_id));
auto ref = RefPtr(description);
TRY(m_context_state_lookup.try_set(ref, per_context_state));
TRY(m_context_state_lookup.try_set(&description, per_context_state));
return {};
}
case VIRGL_IOCTL_TRANSFER_DATA: {

2
Kernel/Graphics/VirtIOGPU/GPU3DDevice.h
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@ -127,7 +127,7 @@ private:
Kernel::Graphics::VirtIOGPU::GraphicsAdapter& m_graphics_adapter;
// Context used for kernel operations (e.g. flushing resources to scanout)
ContextID m_kernel_context_id;
HashMap<RefPtr<OpenFileDescription>, RefPtr<PerContextState>> m_context_state_lookup;
HashMap<OpenFileDescription*, RefPtr<PerContextState>> m_context_state_lookup;
// Memory management for backing buffers
OwnPtr<Memory::Region> m_transfer_buffer_region;
constexpr static size_t NUM_TRANSFER_REGION_PAGES = 256;