diff options
author | Stephen Hemminger <shemminger@vyatta.com> | 2011-08-01 16:19:00 +0000 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2011-08-02 04:29:23 -0700 |
commit | a9b3cd7f323b2e57593e7215362a7b02fc933e3a (patch) | |
tree | eba1741956aef3015d5b1a07253bf93c4c1bc7df /net/netfilter/nf_conntrack_netlink.c | |
parent | 76f793e3a47139d340185cbc1a314740c09b13d3 (diff) | |
download | op-kernel-dev-a9b3cd7f323b2e57593e7215362a7b02fc933e3a.zip op-kernel-dev-a9b3cd7f323b2e57593e7215362a7b02fc933e3a.tar.gz |
rcu: convert uses of rcu_assign_pointer(x, NULL) to RCU_INIT_POINTER
When assigning a NULL value to an RCU protected pointer, no barrier
is needed. The rcu_assign_pointer, used to handle that but will soon
change to not handle the special case.
Convert all rcu_assign_pointer of NULL value.
//smpl
@@ expression P; @@
- rcu_assign_pointer(P, NULL)
+ RCU_INIT_POINTER(P, NULL)
// </smpl>
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/netfilter/nf_conntrack_netlink.c')
-rw-r--r-- | net/netfilter/nf_conntrack_netlink.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c index 7dec88a..e58aa9b 100644 --- a/net/netfilter/nf_conntrack_netlink.c +++ b/net/netfilter/nf_conntrack_netlink.c @@ -1125,7 +1125,7 @@ ctnetlink_change_helper(struct nf_conn *ct, const struct nlattr * const cda[]) if (help && help->helper) { /* we had a helper before ... */ nf_ct_remove_expectations(ct); - rcu_assign_pointer(help->helper, NULL); + RCU_INIT_POINTER(help->helper, NULL); } return 0; @@ -1163,7 +1163,7 @@ ctnetlink_change_helper(struct nf_conn *ct, const struct nlattr * const cda[]) return -EOPNOTSUPP; } - rcu_assign_pointer(help->helper, helper); + RCU_INIT_POINTER(help->helper, helper); return 0; } @@ -1386,7 +1386,7 @@ ctnetlink_create_conntrack(struct net *net, u16 zone, } /* not in hash table yet so not strictly necessary */ - rcu_assign_pointer(help->helper, helper); + RCU_INIT_POINTER(help->helper, helper); } } else { /* try an implicit helper assignation */ |