[PATCH net-next 04/14] netfilter: conntrack: move autoassign_helper sysctl to net_generic data

[Pablo Neira Ayuso]

From: Florian Westphal <f...@strlen.de>

While at it, make it an u8, no need to use an integer for a boolean.

Signed-off-by: Florian Westphal <f...@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pa...@netfilter.org>
---
 include/net/netfilter/nf_conntrack.h    | 1 +
 net/netfilter/nf_conntrack_helper.c     | 6 ++++--
 net/netfilter/nf_conntrack_standalone.c | 7 +++----
 3 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/include/net/netfilter/nf_conntrack.h 
b/include/net/netfilter/nf_conntrack.h
index c532b629db7b..db8f047eb75f 100644
--- a/include/net/netfilter/nf_conntrack.h
+++ b/include/net/netfilter/nf_conntrack.h
@@ -45,6 +45,7 @@ union nf_conntrack_expect_proto {
 
 struct nf_conntrack_net {
        /* only used when new connection is allocated: */
+       u8 sysctl_auto_assign_helper;
        bool auto_assign_helper_warned;
 
        /* only used from work queues, configuration plane, and so on: */
diff --git a/net/netfilter/nf_conntrack_helper.c 
b/net/netfilter/nf_conntrack_helper.c
index ad91964eaa92..ac396cc8bfae 100644
--- a/net/netfilter/nf_conntrack_helper.c
+++ b/net/netfilter/nf_conntrack_helper.c
@@ -216,7 +216,7 @@ nf_ct_lookup_helper(struct nf_conn *ct, struct net *net)
 {
        struct nf_conntrack_net *cnet = net_generic(net, nf_conntrack_net_id);
 
-       if (!net->ct.sysctl_auto_assign_helper) {
+       if (!cnet->sysctl_auto_assign_helper) {
                if (cnet->auto_assign_helper_warned)
                        return NULL;
                if (!__nf_ct_helper_find(&ct->tuplehash[IP_CT_DIR_REPLY].tuple))
@@ -560,7 +560,9 @@ static const struct nf_ct_ext_type helper_extend = {
 
 void nf_conntrack_helper_pernet_init(struct net *net)
 {
-       net->ct.sysctl_auto_assign_helper = nf_ct_auto_assign_helper;
+       struct nf_conntrack_net *cnet = net_generic(net, nf_conntrack_net_id);
+
+       cnet->sysctl_auto_assign_helper = nf_ct_auto_assign_helper;
 }
 
 int nf_conntrack_helper_init(void)
diff --git a/net/netfilter/nf_conntrack_standalone.c 
b/net/netfilter/nf_conntrack_standalone.c
index 54d36d3eb905..a7538379cfca 100644
--- a/net/netfilter/nf_conntrack_standalone.c
+++ b/net/netfilter/nf_conntrack_standalone.c
@@ -662,10 +662,9 @@ static struct ctl_table nf_ct_sysctl_table[] = {
        },
        [NF_SYSCTL_CT_HELPER] = {
                .procname       = "nf_conntrack_helper",
-               .data           = &init_net.ct.sysctl_auto_assign_helper,
-               .maxlen         = sizeof(int),
+               .maxlen         = sizeof(u8),
                .mode           = 0644,
-               .proc_handler   = proc_dointvec_minmax,
+               .proc_handler   = proc_dou8vec_minmax,
                .extra1         = SYSCTL_ZERO,
                .extra2         = SYSCTL_ONE,
        },
@@ -1042,7 +1041,7 @@ static int nf_conntrack_standalone_init_sysctl(struct net 
*net)
        table[NF_SYSCTL_CT_CHECKSUM].data = &net->ct.sysctl_checksum;
        table[NF_SYSCTL_CT_LOG_INVALID].data = &net->ct.sysctl_log_invalid;
        table[NF_SYSCTL_CT_ACCT].data = &net->ct.sysctl_acct;
-       table[NF_SYSCTL_CT_HELPER].data = &net->ct.sysctl_auto_assign_helper;
+       table[NF_SYSCTL_CT_HELPER].data = &cnet->sysctl_auto_assign_helper;
 #ifdef CONFIG_NF_CONNTRACK_EVENTS
        table[NF_SYSCTL_CT_EVENTS].data = &net->ct.sysctl_events;
 #endif
-- 
2.30.2