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authorStephen Hemminger2011-08-01 18:19:00 +0200
committerDavid S. Miller2011-08-02 13:29:23 +0200
commita9b3cd7f323b2e57593e7215362a7b02fc933e3a (patch)
treeeba1741956aef3015d5b1a07253bf93c4c1bc7df /net/ipv4/netfilter/nf_nat_ftp.c
parentipv6: updates to privacy addresses per RFC 4941. (diff)
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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_ftp.c')
-rw-r--r--net/ipv4/netfilter/nf_nat_ftp.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/ipv4/netfilter/nf_nat_ftp.c b/net/ipv4/netfilter/nf_nat_ftp.c
index dc73abb3fe27..e462a957d080 100644
--- a/net/ipv4/netfilter/nf_nat_ftp.c
+++ b/net/ipv4/netfilter/nf_nat_ftp.c
@@ -113,14 +113,14 @@ out:
static void __exit nf_nat_ftp_fini(void)
{
- rcu_assign_pointer(nf_nat_ftp_hook, NULL);
+ RCU_INIT_POINTER(nf_nat_ftp_hook, NULL);
synchronize_rcu();
}
static int __init nf_nat_ftp_init(void)
{
BUG_ON(nf_nat_ftp_hook != NULL);
- rcu_assign_pointer(nf_nat_ftp_hook, nf_nat_ftp);
+ RCU_INIT_POINTER(nf_nat_ftp_hook, nf_nat_ftp);
return 0;
}