[PATCH 1/4] ipvs: avoid lookup for fwmark 0

[Simon Horman <horms@xxxxxxxxxxxx>]

From: Julian Anastasov <ja@xxxxxx>

        Restore the previous behaviour to lookup for fwmark
service only when fwmark is non-null. This saves only CPU.

Signed-off-by: Julian Anastasov <ja@xxxxxx>
Signed-off-by: Hans Schillstrom <hans@xxxxxxxxxxxxxxx>
Signed-off-by: Simon Horman <horms@xxxxxxxxxxxx>
---
 net/netfilter/ipvs/ip_vs_ctl.c |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index c73b0c8..f0369d6 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -411,9 +411,11 @@ ip_vs_service_get(struct net *net, int af, __u32 fwmark, 
__u16 protocol,
        /*
         *      Check the table hashed by fwmark first
         */
-       svc = __ip_vs_svc_fwm_find(net, af, fwmark);
-       if (fwmark && svc)
-               goto out;
+       if (fwmark) {
+               svc = __ip_vs_svc_fwm_find(net, af, fwmark);
+               if (svc)
+                       goto out;
+       }
 
        /*
         *      Check the table hashed by <protocol,addr,port>
-- 
1.7.2.3

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