[DECNET]: Fix RCU race condition in dn_neigh_construct().
Signed-off-by: Paul E. McKenney <paulmck@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/decnet/dn_neigh.c b/net/decnet/dn_neigh.c
index f32dba9..8d0cc3c 100644
--- a/net/decnet/dn_neigh.c
+++ b/net/decnet/dn_neigh.c
@@ -148,12 +148,12 @@
__neigh_parms_put(neigh->parms);
neigh->parms = neigh_parms_clone(parms);
- rcu_read_unlock();
if (dn_db->use_long)
neigh->ops = &dn_long_ops;
else
neigh->ops = &dn_short_ops;
+ rcu_read_unlock();
if (dn->flags & DN_NDFLAG_P3)
neigh->ops = &dn_phase3_ops;