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Kernel: Use TRY() in MemoryDevice::mmap()

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This commit is contained in:
Andreas Kling 2021-09-06 20:33:45 +02:00
parent d6fe5e1e5b
commit bdb697f6de
1 changed files with 2 additions and 4 deletions
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6
Kernel/Devices/MemoryDevice.cpp
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@ -47,14 +47,12 @@ KResultOr<Memory::Region*> MemoryDevice::mmap(Process& process, FileDescription&
return EINVAL; return EINVAL;
} }
auto maybe_vmobject = Memory::AnonymousVMObject::try_create_for_physical_range(viewed_address, range.size()); auto vmobject = TRY(Memory::AnonymousVMObject::try_create_for_physical_range(viewed_address, range.size()));
if (maybe_vmobject.is_error())
return maybe_vmobject.error();
dbgln("MemoryDevice: Mapped physical memory at {} for range of {} bytes", viewed_address, range.size()); dbgln("MemoryDevice: Mapped physical memory at {} for range of {} bytes", viewed_address, range.size());
return process.address_space().allocate_region_with_vmobject( return process.address_space().allocate_region_with_vmobject(
range, range,
maybe_vmobject.release_value(), move(vmobject),
0, 0,
"Mapped Physical Memory", "Mapped Physical Memory",
prot, prot,