rhashtable: Do hashing inside of rhashtable_lookup_compare()

Hash the key inside of rhashtable_lookup_compare() like
rhashtable_lookup() does. This allows to simplify the hashing
functions and keep them private.

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Cc: netfilter-devel@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 4 deletions

diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 84ea76ca3f1f..a5d7ed627563 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -1002,11 +1002,8 @@ static struct sock *__netlink_lookup(struct netlink_table *table, u32 portid,
                 .net = net,
                 .portid = portid,
         };
-        u32 hash;
 
-        hash = rhashtable_hashfn(&table->hash, &portid, sizeof(portid));
-
-        return rhashtable_lookup_compare(&table->hash, hash,
+        return rhashtable_lookup_compare(&table->hash, &portid,
                                          &netlink_compare, &arg);
 }