[PATCH] libertas: remove adapter->atimwindow

This varaible was initialized with 0 but there is no code that would ever
change it's value. So it can go away.
Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/libertas/dev.h

@@ -303,7 +303,6 @@ struct _wlan_adapter {
 
 	/** POWER MANAGEMENT AND PnP SUPPORT */
 	u8 surpriseremoved;
-	u16 atimwindow;
 
 	u16 psmode;		/* Wlan802_11PowermodeCAM=disable
 				   Wlan802_11PowermodeMAX_PSP=enable */

drivers/net/wireless/libertas/join.c

@@ -518,7 +518,7 @@ int libertas_cmd_80211_ad_hoc_start(wlan_private * priv,
 
 	adhs->ssparamset.ibssparamset.elementid = IBSS_PARA_IE_ID;
 	adhs->ssparamset.ibssparamset.len = IBSS_PARA_IE_LEN;
-	adhs->ssparamset.ibssparamset.atimwindow = cpu_to_le16(adapter->atimwindow);
+	adhs->ssparamset.ibssparamset.atimwindow = 0;
 
 	/* set capability info */
 	tmpcap = WLAN_CAPABILITY_IBSS;

drivers/net/wireless/libertas/main.c

@@ -998,9 +998,6 @@ static void wlan_init_adapter(wlan_private * priv)
 	wlan_adapter *adapter = priv->adapter;
 	int i;
 
-	/* ATIM params */
-	adapter->atimwindow = 0;
-
 	adapter->connect_status = LIBERTAS_DISCONNECTED;
 	memset(adapter->current_addr, 0xff, ETH_ALEN);