[Nouveau] nouveau_object_new beginner question

[Daniel Melo Jorge da Cunha]

I'm sorry for this beginner question but I can't understand.
File ../nouveau/nouveau.c, function nouveau_object_new.
Assuming data has content. First, obj->data = obj + 1. This is perfect
after the memcpy call.
But when: *(struct nouveau_object **)obj->data = obj;
I can't understand because now obj and obj->data has the same address,
while previously obj->data pointed exactly to the contents of data.
What am I missing?
Thanks in advance.
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