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After learning more about rcu, it looks like the ADD-IP hadling doesn't need to call call_rcu_bh. All the rcu critical sections use rcu_read_lock, so using call_rcu_bh is wrong here. Now, restore the local_bh_disable() code blocks and use normal call_rcu() calls. Also restore the missing return statement. Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>