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Kernel: Make Kernel::VMObject allocation functions return KResultOr

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This makes for nicer handling of errors compared to checking whether a
RefPtr is null. Additionally, this will give way to return different
types of errors in the future.
This commit is contained in:
sin-ack 2021-08-15 09:07:59 +00:00 • committed by Andreas Kling
parent 61c0e3ca92
commit 4bfd6e41b9
26 changed files with 194 additions and 122 deletions
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4
Kernel/Memory/SharedInodeVMObject.cpp
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@ -21,9 +21,9 @@ RefPtr<SharedInodeVMObject> SharedInodeVMObject::try_create_with_inode(Inode& in
return vmobject;
}
RefPtr<VMObject> SharedInodeVMObject::try_clone()
KResultOr<NonnullRefPtr<VMObject>> SharedInodeVMObject::try_clone()
{
return adopt_ref_if_nonnull(new (nothrow) SharedInodeVMObject(*this));
return adopt_nonnull_ref_or_enomem<VMObject>(new (nothrow) SharedInodeVMObject(*this));
}
SharedInodeVMObject::SharedInodeVMObject(Inode& inode, size_t size)