fergalmoran/ladybird
1
0
Fork 0
mirror of https://github.com/fergalmoran/ladybird.git synced 2026-01-07 00:56:14 +00:00
Code Issues Packages Projects Releases Wiki Activity

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

Browse Source
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
Download Patch File Download Diff File Expand all files Collapse all files

6
Kernel/Devices/MemoryDevice.cpp
View File

@@ -47,14 +47,12 @@ KResultOr<Memory::Region*> MemoryDevice::mmap(Process& process, FileDescription&
return EINVAL;
}
auto maybe_vmobject = Memory::AnonymousVMObject::try_create_for_physical_range(viewed_address, range.size());
if (maybe_vmobject.is_error())
return maybe_vmobject.error();
auto vmobject = TRY(Memory::AnonymousVMObject::try_create_for_physical_range(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(
range,
maybe_vmobject.release_value(),
move(vmobject),
0,
"Mapped Physical Memory",
prot,