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I don't think this makes sense. It's broken. Remember the isid patches that you reviewed of mine trying to fix the isid code in target_core_transport.c? I can't remember all the details but I think it was that the aptpl code thinks the buffer is in the format that sess_get_initiator_sid uses and is trying to do something similar as target_core_transport.c. I can't find the version of the patches you had looked at. This was the first version of the patch: https://patchwork.kernel.org/project/target-devel/patch/1531696591-8558-3-git-send-email-mchristi@redhat.com/