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Kernel: Use TRY() in the SoundBlaster16 driver

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This commit is contained in:
Andreas Kling 2021-09-05 16:05:29 +02:00
parent 4a2b0f6bec
commit c9a20bcd87
1 changed files with 2 additions and 5 deletions
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7
Kernel/Devices/SB16.cpp
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@ -264,11 +264,8 @@ KResultOr<size_t> SB16::write(FileDescription&, u64, UserOrKernelBuffer const& d
if (!page) if (!page)
return ENOMEM; return ENOMEM;
auto nonnull_page = page.release_nonnull(); auto nonnull_page = page.release_nonnull();
auto maybe_vmobject = Memory::AnonymousVMObject::try_create_with_physical_pages({ &nonnull_page, 1 }); auto vmobject = TRY(Memory::AnonymousVMObject::try_create_with_physical_pages({ &nonnull_page, 1 }));
if (maybe_vmobject.is_error()) m_dma_region = MM.allocate_kernel_region_with_vmobject(move(vmobject), PAGE_SIZE, "SB16 DMA buffer", Memory::Region::Access::Write);
return maybe_vmobject.error();
m_dma_region = MM.allocate_kernel_region_with_vmobject(maybe_vmobject.release_value(), PAGE_SIZE, "SB16 DMA buffer", Memory::Region::Access::Write);
if (!m_dma_region) if (!m_dma_region)
return ENOMEM; return ENOMEM;
} }