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[NETFILTER]: remove unneeded rcu_dereference() calls

Browse Source 
As noticed by Paul McKenney, the rcu_dereference calls in the init path
of NAT modules are unneeded, remove them.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Patrick McHardy 2007-11-05 20:43:30 -08:00 committed by David S. Miller
parent 0795c65d9f
commit d1332e0ab8
7 changed files with 19 additions and 19 deletions
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2
net/ipv4/netfilter/nf_nat_amanda.c
View File

@ -69,7 +69,7 @@ static void __exit nf_nat_amanda_fini(void)
static int __init nf_nat_amanda_init(void)
{
BUG_ON(rcu_dereference(nf_nat_amanda_hook));
BUG_ON(nf_nat_amanda_hook != NULL);
rcu_assign_pointer(nf_nat_amanda_hook, help);
return 0;
}

2
net/ipv4/netfilter/nf_nat_ftp.c
View File

@ -147,7 +147,7 @@ static void __exit nf_nat_ftp_fini(void)
static int __init nf_nat_ftp_init(void)
{
BUG_ON(rcu_dereference(nf_nat_ftp_hook));
BUG_ON(nf_nat_ftp_hook != NULL);
rcu_assign_pointer(nf_nat_ftp_hook, nf_nat_ftp);
return 0;
}

18
net/ipv4/netfilter/nf_nat_h323.c
View File

@ -544,15 +544,15 @@ static int nat_callforwarding(struct sk_buff *skb, struct nf_conn *ct,
/****************************************************************************/
static int __init init(void)
{
BUG_ON(rcu_dereference(set_h245_addr_hook) != NULL);
BUG_ON(rcu_dereference(set_h225_addr_hook) != NULL);
BUG_ON(rcu_dereference(set_sig_addr_hook) != NULL);
BUG_ON(rcu_dereference(set_ras_addr_hook) != NULL);
BUG_ON(rcu_dereference(nat_rtp_rtcp_hook) != NULL);
BUG_ON(rcu_dereference(nat_t120_hook) != NULL);
BUG_ON(rcu_dereference(nat_h245_hook) != NULL);
BUG_ON(rcu_dereference(nat_callforwarding_hook) != NULL);
BUG_ON(rcu_dereference(nat_q931_hook) != NULL);
BUG_ON(set_h245_addr_hook != NULL);
BUG_ON(set_h225_addr_hook != NULL);
BUG_ON(set_sig_addr_hook != NULL);
BUG_ON(set_ras_addr_hook != NULL);
BUG_ON(nat_rtp_rtcp_hook != NULL);
BUG_ON(nat_t120_hook != NULL);
BUG_ON(nat_h245_hook != NULL);
BUG_ON(nat_callforwarding_hook != NULL);
BUG_ON(nat_q931_hook != NULL);
rcu_assign_pointer(set_h245_addr_hook, set_h245_addr);
rcu_assign_pointer(set_h225_addr_hook, set_h225_addr);

2
net/ipv4/netfilter/nf_nat_irc.c
View File

@ -74,7 +74,7 @@ static void __exit nf_nat_irc_fini(void)
static int __init nf_nat_irc_init(void)
{
BUG_ON(rcu_dereference(nf_nat_irc_hook));
BUG_ON(nf_nat_irc_hook != NULL);
rcu_assign_pointer(nf_nat_irc_hook, help);
return 0;
}

8
net/ipv4/netfilter/nf_nat_pptp.c
View File

@ -281,16 +281,16 @@ static int __init nf_nat_helper_pptp_init(void)
{
nf_nat_need_gre();
BUG_ON(rcu_dereference(nf_nat_pptp_hook_outbound));
BUG_ON(nf_nat_pptp_hook_outbound != NULL);
rcu_assign_pointer(nf_nat_pptp_hook_outbound, pptp_outbound_pkt);
BUG_ON(rcu_dereference(nf_nat_pptp_hook_inbound));
BUG_ON(nf_nat_pptp_hook_inbound != NULL);
rcu_assign_pointer(nf_nat_pptp_hook_inbound, pptp_inbound_pkt);
BUG_ON(rcu_dereference(nf_nat_pptp_hook_exp_gre));
BUG_ON(nf_nat_pptp_hook_exp_gre != NULL);
rcu_assign_pointer(nf_nat_pptp_hook_exp_gre, pptp_exp_gre);
BUG_ON(rcu_dereference(nf_nat_pptp_hook_expectfn));
BUG_ON(nf_nat_pptp_hook_expectfn != NULL);
rcu_assign_pointer(nf_nat_pptp_hook_expectfn, pptp_nat_expected);
return 0;
}

4
net/ipv4/netfilter/nf_nat_sip.c
View File

@ -293,8 +293,8 @@ static void __exit nf_nat_sip_fini(void)
static int __init nf_nat_sip_init(void)
{
BUG_ON(rcu_dereference(nf_nat_sip_hook));
BUG_ON(rcu_dereference(nf_nat_sdp_hook));
BUG_ON(nf_nat_sip_hook != NULL);
BUG_ON(nf_nat_sdp_hook != NULL);
rcu_assign_pointer(nf_nat_sip_hook, ip_nat_sip);
rcu_assign_pointer(nf_nat_sdp_hook, ip_nat_sdp);
return 0;

2
net/ipv4/netfilter/nf_nat_tftp.c
View File

@ -43,7 +43,7 @@ static void __exit nf_nat_tftp_fini(void)
static int __init nf_nat_tftp_init(void)
{
BUG_ON(rcu_dereference(nf_nat_tftp_hook));
BUG_ON(nf_nat_tftp_hook != NULL);
rcu_assign_pointer(nf_nat_tftp_hook, help);
return 0;
}