ipvs: fix multiplicative hashing in sh/dh/lblc/lblcr algorithms

[sfrench/cifs-2.6.git] / net / netfilter / ipvs / ip_vs_dh.c

diff --git a/net/netfilter/ipvs/ip_vs_dh.c b/net/netfilter/ipvs/ip_vs_dh.c
index 75f798f8e83b706701787706c6fad2facad35155..07459e71d9072387531d760dbbde7ab23fc5f145 100644 (file)
--- a/net/netfilter/ipvs/ip_vs_dh.c
+++ b/net/netfilter/ipvs/ip_vs_dh.c
@@ -43,6 +43,7 @@
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/skbuff.h>
+#include <linux/hash.h>
 
 #include <net/ip_vs.h>
 
@@ -81,7 +82,7 @@ static inline unsigned int ip_vs_dh_hashkey(int af, const union nf_inet_addr *ad
                addr_fold = addr->ip6[0]^addr->ip6[1]^
                            addr->ip6[2]^addr->ip6[3];
 #endif
-       return (ntohl(addr_fold)*2654435761UL) & IP_VS_DH_TAB_MASK;
+       return hash_32(ntohl(addr_fold), IP_VS_DH_TAB_BITS);
 }