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[DECNET]: Fix RCU race condition in dn_neigh_construct().
author
Paul E. McKenney
<paulmck@us.ibm.com>
Wed, 17 Aug 2005 19:05:27 +0000
(12:05 -0700)
committer
David S. Miller
<davem@davemloft.net>
Wed, 17 Aug 2005 19:05:27 +0000
(12:05 -0700)
Signed-off-by: Paul E. McKenney <paulmck@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/decnet/dn_neigh.c
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diff --git
a/net/decnet/dn_neigh.c
b/net/decnet/dn_neigh.c
index f32dba9e26fe45942fc1334e08410abbc2722b46..8d0cc3cf3e491a636f258af31262b36f54a1efa4 100644
(file)
--- a/
net/decnet/dn_neigh.c
+++ b/
net/decnet/dn_neigh.c
@@
-148,12
+148,12
@@
static int dn_neigh_construct(struct neighbour *neigh)
__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;