staging: wilc1000: add_key: use netdev private wilc instead of g_linux_wlan

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/wilc_wfi_cfgoperations.c

@@ -1086,8 +1086,12 @@ static int add_key(struct wiphy *wiphy, struct net_device *netdev, u8 key_index,
 	u8 u8gmode = NO_ENCRYPT;
 	u8 u8pmode = NO_ENCRYPT;
 	enum AUTHTYPE tenuAuth_type = ANY;
+	struct wilc *wl;
+	perInterface_wlan_t *nic;
 
 	priv = wiphy_priv(wiphy);
+	nic = netdev_priv(netdev);
+	wl = nic->wilc;
 
 	PRINT_D(CFG80211_DBG, "Adding key with cipher suite = %x\n", params->cipher);
 
@@ -1259,7 +1263,7 @@ static int add_key(struct wiphy *wiphy, struct net_device *netdev, u8 key_index,
 				}
 
 				/*save keys only on interface 0 (wifi interface)*/
-				if (!g_gtk_keys_saved && netdev == g_linux_wlan->vif[0].ndev) {
+				if (!g_gtk_keys_saved && netdev == wl->vif[0].ndev) {
 					g_add_gtk_key_params.key_idx = key_index;
 					g_add_gtk_key_params.pairwise = pairwise;
 					if (!mac_addr) {
@@ -1295,7 +1299,7 @@ static int add_key(struct wiphy *wiphy, struct net_device *netdev, u8 key_index,
 				}
 
 				/*save keys only on interface 0 (wifi interface)*/
-				if (!g_ptk_keys_saved && netdev == g_linux_wlan->vif[0].ndev) {
+				if (!g_ptk_keys_saved && netdev == wl->vif[0].ndev) {
 					g_add_ptk_key_params.key_idx = key_index;
 					g_add_ptk_key_params.pairwise = pairwise;
 					if (!mac_addr) {