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[19/19] batman-adv: only store changed gw_bandwidth values

Message ID 1340051963-14836-20-git-send-email-ordex@autistici.org
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Antonio Quartulli June 18, 2012, 8:39 p.m. UTC 
From: Marek Lindner <lindner_marek@yahoo.de>

Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Antonio Quartulli <ordex@autistici.org>
---
 net/batman-adv/gateway_common.c |    3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/net/batman-adv/gateway_common.c b/net/batman-adv/gateway_common.c
index ca57ac7..6e3b052 100644
--- 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",