Move the global initial codes to the module_init/exit context. Signed-off-by: Gao feng <gaofeng@xxxxxxxxxxxxxx> --- include/net/netfilter/nf_conntrack_timestamp.h | 21 +++++++++++--- net/netfilter/nf_conntrack_core.c | 15 +++++++--- net/netfilter/nf_conntrack_timestamp.c | 39 ++++++++++---------------- 3 files changed, 43 insertions(+), 32 deletions(-) diff --git a/include/net/netfilter/nf_conntrack_timestamp.h b/include/net/netfilter/nf_conntrack_timestamp.h index fc9c82b..b004614 100644 --- a/include/net/netfilter/nf_conntrack_timestamp.h +++ b/include/net/netfilter/nf_conntrack_timestamp.h @@ -48,15 +48,28 @@ static inline void nf_ct_set_tstamp(struct net *net, bool enable) } #ifdef CONFIG_NF_CONNTRACK_TIMESTAMP -extern int nf_conntrack_tstamp_init(struct net *net); -extern void nf_conntrack_tstamp_fini(struct net *net); +extern int nf_conntrack_tstamp_pernet_init(struct net *net); +extern void nf_conntrack_tstamp_pernet_fini(struct net *net); + +extern int nf_conntrack_tstamp_init(void); +extern void nf_conntrack_tstamp_fini(void); #else -static inline int nf_conntrack_tstamp_init(struct net *net) +static inline int nf_conntrack_tstamp_pernet_init(struct net *net) +{ + return 0; +} + +static inline void nf_conntrack_tstamp_pernet_fini(struct net *net) +{ + return; +} + +static inline int nf_conntrack_tstamp_init(void) { return 0; } -static inline void nf_conntrack_tstamp_fini(struct net *net) +static inline void nf_conntrack_tstamp_fini(void) { return; } diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c index 5b28ee9..ad8100e0c 100644 --- a/net/netfilter/nf_conntrack_core.c +++ b/net/netfilter/nf_conntrack_core.c @@ -1345,6 +1345,7 @@ void nf_conntrack_cleanup_end(void) #ifdef CONFIG_NF_CONNTRACK_ZONES nf_ct_extend_unregister(&nf_ct_zone_extend); #endif + nf_conntrack_tstamp_fini(); nf_conntrack_acct_fini(); nf_conntrack_expect_fini(); } @@ -1374,7 +1375,7 @@ void nf_conntrack_cleanup_net(struct net *net) nf_conntrack_helper_fini(net); nf_conntrack_timeout_fini(net); nf_conntrack_ecache_fini(net); - nf_conntrack_tstamp_fini(net); + nf_conntrack_tstamp_pernet_fini(net); nf_conntrack_acct_pernet_fini(net); nf_conntrack_expect_pernet_fini(net); kmem_cache_destroy(net->ct.nf_conntrack_cachep); @@ -1508,6 +1509,10 @@ int nf_conntrack_init_start(void) if (ret < 0) goto err_acct; + ret = nf_conntrack_tstamp_init(); + if (ret < 0) + goto err_tstamp; + #ifdef CONFIG_NF_CONNTRACK_ZONES ret = nf_ct_extend_register(&nf_ct_zone_extend); if (ret < 0) @@ -1525,8 +1530,10 @@ int nf_conntrack_init_start(void) #ifdef CONFIG_NF_CONNTRACK_ZONES err_extend: - nf_conntrack_acct_fini(); + nf_conntrack_tstamp_fini(); #endif +err_tstamp: + nf_conntrack_acct_fini(); err_acct: nf_conntrack_expect_fini(); err_expect: @@ -1592,7 +1599,7 @@ int nf_conntrack_init_net(struct net *net) ret = nf_conntrack_acct_pernet_init(net); if (ret < 0) goto err_acct; - ret = nf_conntrack_tstamp_init(net); + ret = nf_conntrack_tstamp_pernet_init(net); if (ret < 0) goto err_tstamp; ret = nf_conntrack_ecache_init(net); @@ -1615,7 +1622,7 @@ err_helper: err_timeout: nf_conntrack_ecache_fini(net); err_ecache: - nf_conntrack_tstamp_fini(net); + nf_conntrack_tstamp_pernet_fini(net); err_tstamp: nf_conntrack_acct_pernet_fini(net); err_acct: diff --git a/net/netfilter/nf_conntrack_timestamp.c b/net/netfilter/nf_conntrack_timestamp.c index 7ea8026..902fb0a 100644 --- a/net/netfilter/nf_conntrack_timestamp.c +++ b/net/netfilter/nf_conntrack_timestamp.c @@ -88,37 +88,28 @@ static void nf_conntrack_tstamp_fini_sysctl(struct net *net) } #endif -int nf_conntrack_tstamp_init(struct net *net) +int nf_conntrack_tstamp_pernet_init(struct net *net) { - int ret; - net->ct.sysctl_tstamp = nf_ct_tstamp; + return nf_conntrack_tstamp_init_sysctl(net); +} - if (net_eq(net, &init_net)) { - ret = nf_ct_extend_register(&tstamp_extend); - if (ret < 0) { - printk(KERN_ERR "nf_ct_tstamp: Unable to register " - "extension\n"); - goto out_extend_register; - } - } +void nf_conntrack_tstamp_pernet_fini(struct net *net) +{ + nf_conntrack_tstamp_fini_sysctl(net); + nf_ct_extend_unregister(&tstamp_extend); +} - ret = nf_conntrack_tstamp_init_sysctl(net); +int nf_conntrack_tstamp_init(void) +{ + int ret; + ret = nf_ct_extend_register(&tstamp_extend); if (ret < 0) - goto out_sysctl; - - return 0; - -out_sysctl: - if (net_eq(net, &init_net)) - nf_ct_extend_unregister(&tstamp_extend); -out_extend_register: + pr_err("nf_ct_tstamp: Unable to register extension\n"); return ret; } -void nf_conntrack_tstamp_fini(struct net *net) +void nf_conntrack_tstamp_fini(void) { - nf_conntrack_tstamp_fini_sysctl(net); - if (net_eq(net, &init_net)) - nf_ct_extend_unregister(&tstamp_extend); + nf_ct_extend_unregister(&tstamp_extend); } -- 1.7.11.7 -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html