staging: wilc1000: remove unnecessary 'NULL' check from cfg80211_ops callbacks

Cleanup patch to remove the unnecessary 'NULL' check used in 'cfg80211_ops'
callback functions.
Signed-off-by: Ajay Singh <ajay.kathat@microchip.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wilc1000/wilc_wfi_cfgoperations.c

@@ -1781,9 +1781,6 @@ static int set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
 	struct wilc_priv *priv;
 	struct wilc_vif *vif;
 
-	if (!wiphy)
-		return -ENOENT;
-
 	priv = wiphy_priv(wiphy);
 	vif = netdev_priv(priv->dev);
 	if (!priv->hif_drv)
@@ -1921,9 +1918,6 @@ static int stop_ap(struct wiphy *wiphy, struct net_device *dev)
 	struct wilc_vif *vif;
 	u8 null_bssid[ETH_ALEN] = {0};
 
-	if (!wiphy)
-		return -EFAULT;
-
 	priv = wiphy_priv(wiphy);
 	vif = netdev_priv(priv->dev);
 
@@ -1945,9 +1939,6 @@ static int add_station(struct wiphy *wiphy, struct net_device *dev,
 	struct add_sta_param sta_params = { {0} };
 	struct wilc_vif *vif;
 
-	if (!wiphy)
-		return -EFAULT;
-
 	priv = wiphy_priv(wiphy);
 	vif = netdev_priv(dev);
 
@@ -1986,9 +1977,6 @@ static int del_station(struct wiphy *wiphy, struct net_device *dev,
 	struct wilc_vif *vif;
 	struct sta_info *info;
 
-	if (!wiphy)
-		return -EFAULT;
-
 	priv = wiphy_priv(wiphy);
 	vif = netdev_priv(dev);
 
@@ -2013,9 +2001,6 @@ static int change_station(struct wiphy *wiphy, struct net_device *dev,
 	struct add_sta_param sta_params = { {0} };
 	struct wilc_vif *vif;
 
-	if (!wiphy)
-		return -EFAULT;
-
 	vif = netdev_priv(dev);
 
 	if (vif->iftype == AP_MODE || vif->iftype == GO_MODE) {