link_peers
return rcu_dereference(dp_peer->link_peers[link_id]);
rcu_assign_pointer(dp_peer->link_peers[peer->link_id], peer);
rcu_assign_pointer(dp_peer->link_peers[peer->link_id], NULL);
struct ath12k_dp_link_peer __rcu *link_peers[ATH12K_NUM_MAX_LINKS];
rcu_assign_pointer(dp_peer->link_peers[peer->link_id], NULL);
rc = link_peers(left, right);