RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-05-31 19:38:12 +00:00
Code Issues Activity Actions

Kernel: Use TRY() in Graphics::VirtIOGPU::FrameBufferDevice

Browse source
This commit is contained in:
Andreas Kling 2021-09-06 02:11:46 +02:00
parent 17a12c8a30
commit f4a6b60570
1 changed files with 5 additions and 11 deletions
Download patch file Download diff file Expand all files Collapse all files

16
Kernel/Graphics/VirtIOGPU/FrameBufferDevice.cpp
View file

@ -253,28 +253,22 @@ KResultOr<Memory::Region*> FrameBufferDevice::mmap(Process& process, FileDescrip
RefPtr<Memory::VMObject> vmobject;
if (m_are_writes_active) {
auto maybe_vmobject = m_framebuffer->vmobject().try_clone();
if (maybe_vmobject.is_error())
return maybe_vmobject.error();
vmobject = maybe_vmobject.release_value();
vmobject = TRY(m_framebuffer->vmobject().try_clone());
} else {
vmobject = m_framebuffer_sink_vmobject;
if (vmobject.is_null())
return ENOMEM;
}
auto result = process.address_space().allocate_region_with_vmobject(
m_userspace_mmap_region = TRY(process.address_space().allocate_region_with_vmobject(
range,
vmobject.release_nonnull(),
0,
"VirtIOGPU Framebuffer",
prot,
shared);
if (result.is_error())
return result;
m_userspace_mmap_region = result.value();
return result;
shared));
return m_userspace_mmap_region.unsafe_ptr();
}
void FrameBufferDevice::deactivate_writes()