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Kernel: Add copy_typed_from_userspace<T>(Userspace<T const*>)
This allows easy retrieval of typed POD values from userspace with implicit error propagation.
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@ -167,3 +167,11 @@ template<typename T>
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return EOVERFLOW;
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return copy_to_user(dest.unsafe_userspace_ptr(), src, size.value());
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}
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template<typename T>
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inline KResultOr<T> copy_typed_from_user(Userspace<T const*> user_data)
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{
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T data {};
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TRY(copy_from_user(&data, user_data));
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return data;
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}
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