The following commit has been merged in the master branch: commit 57f0c07c4d0da8bcc23e21c330fe9c7c5cf776b5 Author: Linus Lüssing linus.luessing@web.de Date: Mon Mar 14 22:43:33 2011 +0000

batman-adv: Simplify gw_check_election(), use gw_get_selected()

gw_get_selected() can get us the desired orig_node directly, therefore reusing that function in gw_check_election().

Signed-off-by: Linus Lüssing linus.luessing@web.de Signed-off-by: Marek Lindner lindner_marek@yahoo.de Signed-off-by: Sven Eckelmann sven@narfation.org

diff --git a/net/batman-adv/gateway_client.c b/net/batman-adv/gateway_client.c index 27b87ad..879ac15 100644 --- a/net/batman-adv/gateway_client.c +++ b/net/batman-adv/gateway_client.c @@ -23,6 +23,7 @@ #include "gateway_client.h" #include "gateway_common.h" #include "hard-interface.h" +#include "originator.h" #include <linux/ip.h> #include <linux/ipv6.h> #include <linux/udp.h> @@ -203,28 +204,25 @@ void gw_election(struct bat_priv *bat_priv)

void gw_check_election(struct bat_priv *bat_priv, struct orig_node *orig_node) { - struct gw_node *curr_gateway_tmp; + struct orig_node *curr_gw_orig; uint8_t gw_tq_avg, orig_tq_avg;

- rcu_read_lock(); - curr_gateway_tmp = rcu_dereference(bat_priv->curr_gw); - if (!curr_gateway_tmp) - goto out_rcu; + curr_gw_orig = gw_get_selected(bat_priv); + if (!curr_gw_orig) + goto deselect;

- if (!curr_gateway_tmp->orig_node) - goto deselect_rcu; - - if (!curr_gateway_tmp->orig_node->router) + rcu_read_lock(); + if (!curr_gw_orig->router) goto deselect_rcu;

/* this node already is the gateway */ - if (curr_gateway_tmp->orig_node == orig_node) + if (curr_gw_orig == orig_node) goto out_rcu;

if (!orig_node->router) goto out_rcu;

- gw_tq_avg = curr_gateway_tmp->orig_node->router->tq_avg; + gw_tq_avg = curr_gw_orig->router->tq_avg; rcu_read_unlock();

orig_tq_avg = orig_node->router->tq_avg; @@ -255,6 +253,9 @@ deselect_rcu: deselect: gw_deselect(bat_priv); out: + if (curr_gw_orig) + orig_node_free_ref(curr_gw_orig); + return; }