5 files changed, 17 insertions, 5 deletions

diff --git a/include/linux/netfilter.h b/include/linux/netfilter.h
index d4c4c5120bc0..70d3b4f1e48d 100644
--- a/include/linux/netfilter.h
+++ b/include/linux/netfilter.h
@@ -172,8 +172,8 @@ struct nf_logger {
 
 /* Function to register/unregister log function. */
 int nf_log_register(int pf, struct nf_logger *logger);
-int nf_log_unregister_pf(int pf);
-void nf_log_unregister_logger(struct nf_logger *logger);
+void nf_log_unregister(struct nf_logger *logger);
+void nf_log_unregister_pf(int pf);
 
 /* Calls the registered backend logging function */
 void nf_log_packet(int pf,
diff --git a/include/linux/netfilter_ipv4/ip_conntrack.h b/include/linux/netfilter_ipv4/ip_conntrack.h
index 33581c13d947..da9274e6bf12 100644
--- a/include/linux/netfilter_ipv4/ip_conntrack.h
+++ b/include/linux/netfilter_ipv4/ip_conntrack.h
@@ -301,6 +301,12 @@ extern unsigned int ip_conntrack_htable_size;
 extern int ip_conntrack_checksum;
  
 #define CONNTRACK_STAT_INC(count) (__get_cpu_var(ip_conntrack_stat).count++)
+#define CONNTRACK_STAT_INC_ATOMIC(count)                \
+do {                                                    \
+        local_bh_disable();                             \
+        __get_cpu_var(ip_conntrack_stat).count++;       \
+        local_bh_enable();                              \
+} while (0)
 
 #ifdef CONFIG_IP_NF_CONNTRACK_EVENTS
 #include <linux/notifier.h>
diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h
index 68ec27490c20..0e690e34c00b 100644
--- a/include/net/netfilter/nf_conntrack.h
+++ b/include/net/netfilter/nf_conntrack.h
@@ -257,6 +257,12 @@ extern int nf_conntrack_max;
 
 DECLARE_PER_CPU(struct ip_conntrack_stat, nf_conntrack_stat);
 #define NF_CT_STAT_INC(count) (__get_cpu_var(nf_conntrack_stat).count++)
+#define NF_CT_STAT_INC_ATOMIC(count)                    \
+do {                                                    \
+        local_bh_disable();                             \
+        __get_cpu_var(nf_conntrack_stat).count++;       \
+        local_bh_enable();                              \
+} while (0)
 
 /* no helper, no nat */
 #define NF_CT_F_BASIC   0
diff --git a/include/net/netfilter/nf_conntrack_l3proto.h b/include/net/netfilter/nf_conntrack_l3proto.h
index 664ddcffe00d..eb575cbd4c95 100644
--- a/include/net/netfilter/nf_conntrack_l3proto.h
+++ b/include/net/netfilter/nf_conntrack_l3proto.h
@@ -89,7 +89,7 @@ extern struct nf_conntrack_l3proto *nf_ct_l3protos[AF_MAX];
 
 /* Protocol registration. */
 extern int nf_conntrack_l3proto_register(struct nf_conntrack_l3proto *proto);
-extern int nf_conntrack_l3proto_unregister(struct nf_conntrack_l3proto *proto);
+extern void nf_conntrack_l3proto_unregister(struct nf_conntrack_l3proto *proto);
 
 extern struct nf_conntrack_l3proto *
 nf_ct_l3proto_find_get(u_int16_t l3proto);
@@ -106,7 +106,7 @@ __nf_ct_l3proto_find(u_int16_t l3proto)
 {
         if (unlikely(l3proto >= AF_MAX))
                 return &nf_conntrack_l3proto_generic;
-        return nf_ct_l3protos[l3proto];
+        return rcu_dereference(nf_ct_l3protos[l3proto]);
 }
 
 #endif /*_NF_CONNTRACK_L3PROTO_H*/
diff --git a/include/net/netfilter/nf_conntrack_l4proto.h b/include/net/netfilter/nf_conntrack_l4proto.h
index fc8af08ff542..8415182ec126 100644
--- a/include/net/netfilter/nf_conntrack_l4proto.h
+++ b/include/net/netfilter/nf_conntrack_l4proto.h
@@ -109,7 +109,7 @@ extern void nf_ct_l4proto_put(struct nf_conntrack_l4proto *p);
 
 /* Protocol registration. */
 extern int nf_conntrack_l4proto_register(struct nf_conntrack_l4proto *proto);
-extern int nf_conntrack_l4proto_unregister(struct nf_conntrack_l4proto *proto);
+extern void nf_conntrack_l4proto_unregister(struct nf_conntrack_l4proto *proto);
 
 /* Generic netlink helpers */
 extern int nf_ct_port_tuple_to_nfattr(struct sk_buff *skb,