2 files changed, 13 insertions, 2 deletions

diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
index 253736db476b..687ef18227cd 100644
--- a/include/net/ip_vs.h
+++ b/include/net/ip_vs.h
@@ -911,6 +911,7 @@ struct netns_ipvs {
 
 #define DEFAULT_SYNC_THRESHOLD  3
 #define DEFAULT_SYNC_PERIOD     50
+#define DEFAULT_SYNC_VER        1
 
 #ifdef CONFIG_SYSCTL
 
@@ -924,6 +925,11 @@ static inline int sysctl_sync_period(struct netns_ipvs *ipvs)
         return ipvs->sysctl_sync_threshold[1];
 }
 
+static inline int sysctl_sync_ver(struct netns_ipvs *ipvs)
+{
+        return ipvs->sysctl_sync_ver;
+}
+
 #else
 
 static inline int sysctl_sync_threshold(struct netns_ipvs *ipvs)
@@ -936,6 +942,11 @@ static inline int sysctl_sync_period(struct netns_ipvs *ipvs)
         return DEFAULT_SYNC_PERIOD;
 }
 
+static inline int sysctl_sync_ver(struct netns_ipvs *ipvs)
+{
+        return DEFAULT_SYNC_VER;
+}
+
 #endif
 
 /*
diff --git a/net/netfilter/ipvs/ip_vs_sync.c b/net/netfilter/ipvs/ip_vs_sync.c
index e84987fa1bf8..3e7961e85e9c 100644
--- a/net/netfilter/ipvs/ip_vs_sync.c
+++ b/net/netfilter/ipvs/ip_vs_sync.c
@@ -394,7 +394,7 @@ void ip_vs_sync_switch_mode(struct net *net, int mode)
 
         if (!(ipvs->sync_state & IP_VS_STATE_MASTER))
                 return;
-        if (mode == ipvs->sysctl_sync_ver || !ipvs->sync_buff)
+        if (mode == sysctl_sync_ver(ipvs) || !ipvs->sync_buff)
                 return;
 
         spin_lock_bh(&ipvs->sync_buff_lock);
@@ -521,7 +521,7 @@ void ip_vs_sync_conn(struct net *net, struct ip_vs_conn *cp)
         unsigned int len, pe_name_len, pad;
 
         /* Handle old version of the protocol */
-        if (ipvs->sysctl_sync_ver == 0) {
+        if (sysctl_sync_ver(ipvs) == 0) {
                 ip_vs_sync_conn_v0(net, cp);
                 return;
         }