From 57f0c07c4d0da8bcc23e21c330fe9c7c5cf776b5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Linus=20L=C3=BCssing?= <linus.luessing@web.de>
Date: Mon, 14 Mar 2011 22:43:33 +0000
Subject: [PATCH] batman-adv: Simplify gw_check_election(), use
gw_get_selected()
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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>
---
net/batman-adv/gateway_client.c | 23 ++++++++++++-----------
1 file changed, 12 insertions(+), 11 deletions(-)
diff --git a/net/batman-adv/gateway_client.c b/net/batman-adv/gateway_client.c
index 27b87add044b..879ac1594869 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 @@ void gw_check_election(struct bat_priv *bat_priv, struct orig_node *orig_node)
deselect:
gw_deselect(bat_priv);
out:
+ if (curr_gw_orig)
+ orig_node_free_ref(curr_gw_orig);
+
return;
}
--
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