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Kernel: Use KResultOr and TRY() for {Shared,Private}InodeVMObject
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parent
e3a716ceff
commit
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8 changed files with 14 additions and 31 deletions
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@ -497,17 +497,14 @@ KResultOr<FlatPtr> Process::sys$mremap(Userspace<const Syscall::SC_mremap_params
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auto old_offset = old_region->offset_in_vmobject();
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NonnullRefPtr inode = static_cast<Memory::SharedInodeVMObject&>(old_region->vmobject()).inode();
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auto new_vmobject = Memory::PrivateInodeVMObject::try_create_with_inode(inode);
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if (!new_vmobject)
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return ENOMEM;
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auto new_vmobject = TRY(Memory::PrivateInodeVMObject::try_create_with_inode(inode));
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auto old_name = old_region->take_name();
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// Unmap without deallocating the VM range since we're going to reuse it.
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old_region->unmap(Memory::Region::ShouldDeallocateVirtualRange::No);
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address_space().deallocate_region(*old_region);
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auto new_region = TRY(address_space().allocate_region_with_vmobject(range, new_vmobject.release_nonnull(), old_offset, old_name->view(), old_prot, false));
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auto new_region = TRY(address_space().allocate_region_with_vmobject(range, move(new_vmobject), old_offset, old_name->view(), old_prot, false));
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new_region->set_mmap(true);
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return new_region->vaddr().get();
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}
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