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author | Stephen Hemminger | 2011-08-01 18:19:00 +0200 |
---|---|---|
committer | David S. Miller | 2011-08-02 13:29:23 +0200 |
commit | a9b3cd7f323b2e57593e7215362a7b02fc933e3a (patch) | |
tree | eba1741956aef3015d5b1a07253bf93c4c1bc7df /net/ipv4/netfilter/nf_nat_irc.c | |
parent | ipv6: updates to privacy addresses per RFC 4941. (diff) | |
download | kernel-qcow2-linux-a9b3cd7f323b2e57593e7215362a7b02fc933e3a.tar.gz kernel-qcow2-linux-a9b3cd7f323b2e57593e7215362a7b02fc933e3a.tar.xz kernel-qcow2-linux-a9b3cd7f323b2e57593e7215362a7b02fc933e3a.zip |
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/ipv4/netfilter/nf_nat_irc.c')
-rw-r--r-- | net/ipv4/netfilter/nf_nat_irc.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/ipv4/netfilter/nf_nat_irc.c b/net/ipv4/netfilter/nf_nat_irc.c index 535e1a802356..979ae165f4ef 100644 --- a/net/ipv4/netfilter/nf_nat_irc.c +++ b/net/ipv4/netfilter/nf_nat_irc.c @@ -75,14 +75,14 @@ static unsigned int help(struct sk_buff *skb, static void __exit nf_nat_irc_fini(void) { - rcu_assign_pointer(nf_nat_irc_hook, NULL); + RCU_INIT_POINTER(nf_nat_irc_hook, NULL); synchronize_rcu(); } static int __init nf_nat_irc_init(void) { BUG_ON(nf_nat_irc_hook != NULL); - rcu_assign_pointer(nf_nat_irc_hook, help); + RCU_INIT_POINTER(nf_nat_irc_hook, help); return 0; } |