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Kernel: Rename various *VMObject::create*() => try_create()

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try_*() implies that it can fail (and they all return RefPtr with
nullptr signalling failure.)
This commit is contained in:
Andreas Kling 2021-07-11 17:55:29 +02:00
parent af8c74a328
commit 88d490566f
19 changed files with 35 additions and 35 deletions
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10
Kernel/Graphics/FramebufferDevice.cpp
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@ -39,13 +39,13 @@ KResultOr<Region*> FramebufferDevice::mmap(Process& process, FileDescription&, c
if (range.size() != page_round_up(framebuffer_size_in_bytes()))
return EOVERFLOW;
auto vmobject = AnonymousVMObject::create_for_physical_range(m_framebuffer_address, page_round_up(framebuffer_size_in_bytes()));
auto vmobject = AnonymousVMObject::try_create_for_physical_range(m_framebuffer_address, page_round_up(framebuffer_size_in_bytes()));
if (!vmobject)
return ENOMEM;
m_userspace_real_framebuffer_vmobject = vmobject;
m_real_framebuffer_vmobject = AnonymousVMObject::create_for_physical_range(m_framebuffer_address, page_round_up(framebuffer_size_in_bytes()));
m_swapped_framebuffer_vmobject = AnonymousVMObject::create_with_size(page_round_up(framebuffer_size_in_bytes()), AllocationStrategy::AllocateNow);
m_real_framebuffer_vmobject = AnonymousVMObject::try_create_for_physical_range(m_framebuffer_address, page_round_up(framebuffer_size_in_bytes()));
m_swapped_framebuffer_vmobject = AnonymousVMObject::try_create_with_size(page_round_up(framebuffer_size_in_bytes()), AllocationStrategy::AllocateNow);
m_real_framebuffer_region = MM.allocate_kernel_region_with_vmobject(*m_real_framebuffer_vmobject, page_round_up(framebuffer_size_in_bytes()), "Framebuffer", Region::Access::Read | Region::Access::Write);
m_swapped_framebuffer_region = MM.allocate_kernel_region_with_vmobject(*m_swapped_framebuffer_vmobject, page_round_up(framebuffer_size_in_bytes()), "Framebuffer Swap (Blank)", Region::Access::Read | Region::Access::Write);
@ -101,11 +101,11 @@ String FramebufferDevice::device_name() const
UNMAP_AFTER_INIT void FramebufferDevice::initialize()
{
m_real_framebuffer_vmobject = AnonymousVMObject::create_for_physical_range(m_framebuffer_address, page_round_up(framebuffer_size_in_bytes()));
m_real_framebuffer_vmobject = AnonymousVMObject::try_create_for_physical_range(m_framebuffer_address, page_round_up(framebuffer_size_in_bytes()));
VERIFY(m_real_framebuffer_vmobject);
m_real_framebuffer_region = MM.allocate_kernel_region_with_vmobject(*m_real_framebuffer_vmobject, page_round_up(framebuffer_size_in_bytes()), "Framebuffer", Region::Access::Read | Region::Access::Write);
VERIFY(m_real_framebuffer_region);
m_swapped_framebuffer_vmobject = AnonymousVMObject::create_with_size(page_round_up(framebuffer_size_in_bytes()), AllocationStrategy::AllocateNow);
m_swapped_framebuffer_vmobject = AnonymousVMObject::try_create_with_size(page_round_up(framebuffer_size_in_bytes()), AllocationStrategy::AllocateNow);
VERIFY(m_swapped_framebuffer_vmobject);
m_swapped_framebuffer_region = MM.allocate_kernel_region_with_vmobject(*m_swapped_framebuffer_vmobject, page_round_up(framebuffer_size_in_bytes()), "Framebuffer Swap (Blank)", Region::Access::Read | Region::Access::Write);
VERIFY(m_swapped_framebuffer_region);