staging: wilc1000: mac_open: use netdev private wilc

Use netdev private data member wilc instead of global variable g_linux_wlan.
Signed-off-by: Glen Lee <glen.lee@atmel.com>
Signed-off-by: Tony Cho <tony.cho@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wilc1000/linux_wlan.c

@@ -1167,9 +1167,13 @@ int mac_open(struct net_device *ndev)
 	int ret = 0;
 	int i = 0;
 	struct wilc_priv *priv;
+	struct wilc *wl;
+
+	nic = netdev_priv(ndev);
+	wl = nic->wilc;
 
 #ifdef WILC_SPI
-	if (!g_linux_wlan || !g_linux_wlan->wilc_spidev) {
+	if (!wl|| !wl->wilc_spidev) {
 		netdev_err(ndev, "wilc1000: SPI device not ready\n");
 		return -ENODEV;
 	}
@@ -1200,16 +1204,16 @@ int mac_open(struct net_device *ndev)
 	PRINT_D(INIT_DBG, "Mac address: %pM\n", mac_add);
 
 	/* loop through the NUM of supported devices and set the MAC address */
-	for (i = 0; i < g_linux_wlan->vif_num; i++) {
-		if (ndev == g_linux_wlan->vif[i].ndev) {
-			memcpy(g_linux_wlan->vif[i].src_addr, mac_add, ETH_ALEN);
-			g_linux_wlan->vif[i].hif_drv = priv->hWILCWFIDrv;
+	for (i = 0; i < wl->vif_num; i++) {
+		if (ndev == wl->vif[i].ndev) {
+			memcpy(wl->vif[i].src_addr, mac_add, ETH_ALEN);
+			wl->vif[i].hif_drv = priv->hWILCWFIDrv;
 			break;
 		}
 	}
 
 	/* TODO: get MAC address whenever the source is EPROM - hardcoded and copy it to ndev*/
-	memcpy(ndev->dev_addr, g_linux_wlan->vif[i].src_addr, ETH_ALEN);
+	memcpy(ndev->dev_addr, wl->vif[i].src_addr, ETH_ALEN);
 
 	if (!is_valid_ether_addr(ndev->dev_addr)) {
 		PRINT_ER("Error: Wrong MAC address\n");
@@ -1222,13 +1226,13 @@ int mac_open(struct net_device *ndev)
 	wilc_mgmt_frame_register(nic->wilc_netdev->ieee80211_ptr->wiphy, nic->wilc_netdev->ieee80211_ptr,
 				 nic->g_struct_frame_reg[1].frame_type, nic->g_struct_frame_reg[1].reg);
 	netif_wake_queue(ndev);
-	g_linux_wlan->open_ifcs++;
+	wl->open_ifcs++;
 	nic->mac_opened = 1;
 	return 0;
 
 _err_:
 	wilc_deinit_host_int(ndev);
-	wilc1000_wlan_deinit(g_linux_wlan);
+	wilc1000_wlan_deinit(wl);
 	return ret;
 }