Staging: wlan-ng: fix sparse warnings for static functions

Fix sparse warnings for static functions
* drivers/staging/wlan-ng/cfg80211.c:101:5: warning:
symbol 'prism2_change_virtual_intf' was not declared.

Signed-off-by: Teodora Baluta <teobaluta@gmail.com>
Signed-off-by: Zach Brown <zab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wlan-ng/cfg80211.c

@@ -98,7 +98,7 @@ static int prism2_domibset_pstr32(wlandevice_t *wlandev,
 
 
 /* The interface functions, called by the cfg80211 layer */
-int prism2_change_virtual_intf(struct wiphy *wiphy,
+static int prism2_change_virtual_intf(struct wiphy *wiphy,
 				      struct net_device *dev,
 				      enum nl80211_iftype type, u32 *flags,
 				      struct vif_params *params)
@@ -140,7 +140,7 @@ exit:
 	return err;
 }
 
-int prism2_add_key(struct wiphy *wiphy, struct net_device *dev,
+static int prism2_add_key(struct wiphy *wiphy, struct net_device *dev,
 			  u8 key_index, bool pairwise, const u8 *mac_addr,
 			  struct key_params *params)
 {
@@ -199,8 +199,9 @@ exit:
 	return err;
 }
 
-int prism2_get_key(struct wiphy *wiphy, struct net_device *dev,
-		   u8 key_index, bool pairwise, const u8 *mac_addr, void *cookie,
+static int prism2_get_key(struct wiphy *wiphy, struct net_device *dev,
+			  u8 key_index, bool pairwise,
+			  const u8 *mac_addr, void *cookie,
 			  void (*callback)(void *cookie, struct key_params*))
 {
 	wlandevice_t *wlandev = dev->ml_priv;
@@ -228,7 +229,7 @@ int prism2_get_key(struct wiphy *wiphy, struct net_device *dev,
 	return 0;
 }
 
-int prism2_del_key(struct wiphy *wiphy, struct net_device *dev,
+static int prism2_del_key(struct wiphy *wiphy, struct net_device *dev,
 			  u8 key_index, bool pairwise, const u8 *mac_addr)
 {
 	wlandevice_t *wlandev = dev->ml_priv;
@@ -274,7 +275,7 @@ exit:
 	return err;
 }
 
-int prism2_set_default_key(struct wiphy *wiphy, struct net_device *dev,
+static int prism2_set_default_key(struct wiphy *wiphy, struct net_device *dev,
 				  u8 key_index, bool unicast, bool multicast)
 {
 	wlandevice_t *wlandev = dev->ml_priv;
@@ -293,7 +294,7 @@ int prism2_set_default_key(struct wiphy *wiphy, struct net_device *dev,
 }
 
 
-int prism2_get_station(struct wiphy *wiphy, struct net_device *dev,
+static int prism2_get_station(struct wiphy *wiphy, struct net_device *dev,
 			      u8 *mac, struct station_info *sinfo)
 {
 	wlandevice_t *wlandev = dev->ml_priv;
@@ -327,7 +328,7 @@ int prism2_get_station(struct wiphy *wiphy, struct net_device *dev,
 	return result;
 }
 
-int prism2_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request)
+static int prism2_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request)
 {
 	struct net_device *dev;
 	struct prism2_wiphy_private *priv = wiphy_priv(wiphy);
@@ -436,7 +437,7 @@ exit:
 	return err;
 }
 
-int prism2_set_wiphy_params(struct wiphy *wiphy, u32 changed)
+static int prism2_set_wiphy_params(struct wiphy *wiphy, u32 changed)
 {
 	struct prism2_wiphy_private *priv = wiphy_priv(wiphy);
 	wlandevice_t *wlandev = priv->wlandev;
@@ -478,7 +479,7 @@ exit:
 	return err;
 }
 
-int prism2_connect(struct wiphy *wiphy, struct net_device *dev,
+static int prism2_connect(struct wiphy *wiphy, struct net_device *dev,
 			  struct cfg80211_connect_params *sme)
 {
 	wlandevice_t *wlandev = dev->ml_priv;
@@ -602,7 +603,7 @@ exit:
 	return err;
 }
 
-int prism2_disconnect(struct wiphy *wiphy, struct net_device *dev,
+static int prism2_disconnect(struct wiphy *wiphy, struct net_device *dev,
 			     u16 reason_code)
 {
 	wlandevice_t *wlandev = dev->ml_priv;
@@ -626,19 +627,19 @@ int prism2_disconnect(struct wiphy *wiphy, struct net_device *dev,
 }
 
 
-int prism2_join_ibss(struct wiphy *wiphy, struct net_device *dev,
+static int prism2_join_ibss(struct wiphy *wiphy, struct net_device *dev,
 			    struct cfg80211_ibss_params *params)
 {
 	return -EOPNOTSUPP;
 }
 
-int prism2_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
+static int prism2_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
 {
 	return -EOPNOTSUPP;
 }
 
 
-int prism2_set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev,
+static int prism2_set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev,
 			       enum nl80211_tx_power_setting type, int mbm)
 {
 	struct prism2_wiphy_private *priv = wiphy_priv(wiphy);
@@ -665,7 +666,7 @@ exit:
 	return err;
 }
 
-int prism2_get_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev,
+static int prism2_get_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev,
 			       int *dbm)
 {
 	struct prism2_wiphy_private *priv = wiphy_priv(wiphy);