batman-adv: only store changed gw_bandwidth values

Signed-off-by: Marek Lindner <lindner_marek@yahoo.de> Signed-off-by: Sven Eckelmann <sven@narfation.org>
mariux64 · Jun 18, 2012 · dafe94b · dafe94b
1 parent 75c5a2e
commit dafe94b
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/net/batman-adv/gateway_common.c b/net/batman-adv/gateway_common.c
@@ -162,6 +162,9 @@ ssize_t gw_bandwidth_set(struct net_device *net_dev, char *buff, size_t count)
 	 **/
 	gw_bandwidth_to_kbit((uint8_t)gw_bandwidth_tmp, &down, &up);
 
+	if (atomic_read(&bat_priv->gw_bandwidth) == gw_bandwidth_tmp)
+		return count;
+
 	gw_deselect(bat_priv);
 	bat_info(net_dev,
 		 "Changing gateway bandwidth from: '%i' to: '%ld' (propagating: %d%s/%d%s)\n",