iwlwifi: kill scan39

scan and scan39 can be represented by void * in iwl_priv
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Acked-by: Samuel Ortiz <samuel.ortiz@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/iwlwifi/iwl-dev.h

@@ -848,7 +848,7 @@ struct iwl_priv {
 	unsigned long scan_start;
 	unsigned long scan_pass_start;
 	unsigned long scan_start_tsf;
-	struct iwl_scan_cmd *scan;
+	void *scan;
 	int scan_bands;
 	int one_direct_scan;
 	u8 direct_ssid_len;
@@ -1071,8 +1071,6 @@ struct iwl_priv {
 	s8 user_txpower_limit;
 	s8 max_channel_txpower_limit;
 
-	struct iwl3945_scan_cmd *scan39;
-
 	/* We declare this const so it can only be
 	 * changed via explicit cast within the
 	 * routines that actually update the physical

drivers/net/wireless/iwlwifi/iwl3945-base.c

@@ -5270,15 +5270,15 @@ static void iwl3945_bg_request_scan(struct work_struct *data)
 		goto done;
 	}
 
-	if (!priv->scan39) {
-		priv->scan39 = kmalloc(sizeof(struct iwl3945_scan_cmd) +
+	if (!priv->scan) {
+		priv->scan = kmalloc(sizeof(struct iwl3945_scan_cmd) +
 				     IWL_MAX_SCAN_SIZE, GFP_KERNEL);
-		if (!priv->scan39) {
+		if (!priv->scan) {
 			rc = -ENOMEM;
 			goto done;
 		}
 	}
-	scan = priv->scan39;
+	scan = priv->scan;
 	memset(scan, 0, sizeof(struct iwl3945_scan_cmd) + IWL_MAX_SCAN_SIZE);
 
 	scan->quiet_plcp_th = IWL_PLCP_QUIET_THRESH;
@@ -7298,7 +7298,7 @@ static void __devexit iwl3945_pci_remove(struct pci_dev *pdev)
 
 	iwl3945_free_channel_map(priv);
 	iwl3945_free_geos(priv);
-	kfree(priv->scan39);
+	kfree(priv->scan);
 	if (priv->ibss_beacon)
 		dev_kfree_skb(priv->ibss_beacon);