genetlink: optimize ctrl_dumpfamily()

there is a unnecessary test which can be replaced by a good initialization in
the 'for' statement

Noticed by Serge E. Hallyn <serue@us.ibm.com>

Signed-off-by: Samir Bellabes <sam@synack.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 3 deletions

diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c
index d07ecda0a92d..a4b6e148c5de 100644
--- a/net/netlink/genetlink.c
+++ b/net/netlink/genetlink.c
@@ -681,9 +681,7 @@ static int ctrl_dumpfamily(struct sk_buff *skb, struct netlink_callback *cb)
         int chains_to_skip = cb->args[0];
         int fams_to_skip = cb->args[1];
 
-        for (i = 0; i < GENL_FAM_TAB_SIZE; i++) {
-                if (i < chains_to_skip)
-                        continue;
+        for (i = chains_to_skip; i < GENL_FAM_TAB_SIZE; i++) {
                 n = 0;
                 list_for_each_entry(rt, genl_family_chain(i), family_list) {
                         if (!rt->netnsok && !net_eq(net, &init_net))