spin_lock() should be spin_unlock() in xfrm_state_walk_done().
caused by:
commit 
12a169e7d8f4b1c95252d8b04ed0f1033ed7cfe2
"ipsec: Put dumpers on the dump list"
Reported-by: Marc Milgram <mmilgram@redhat.com>
Signed-off-by: Chuck Ebbert <cebbert@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 
        spin_lock_bh(&xfrm_state_lock);
        list_del(&walk->all);
-       spin_lock_bh(&xfrm_state_lock);
+       spin_unlock_bh(&xfrm_state_lock);
 }
 EXPORT_SYMBOL(xfrm_state_walk_done);