mac80211: disable automatically created sta interfaces

They are not useful for anything on the system and are annoying when a PHY
is disabled in the config

Signed-off-by: Felix Fietkau <[email protected]>

package/kernel/mac80211/patches/subsys/130-disable_auto_vif.patch

@@ -0,0 +1,27 @@
+--- a/net/mac80211/main.c
++++ b/net/mac80211/main.c
+@@ -1396,24 +1396,6 @@ int ieee80211_register_hw(struct ieee802
+ 	debugfs_hw_add(local);
+ 	rate_control_add_debugfs(local);
+ 
+-	rtnl_lock();
+-	wiphy_lock(hw->wiphy);
+-
+-	/* add one default STA interface if supported */
+-	if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_STATION) &&
+-	    !ieee80211_hw_check(hw, NO_AUTO_VIF)) {
+-		struct vif_params params = {0};
+-
+-		result = ieee80211_if_add(local, "wlan%d", NET_NAME_ENUM, NULL,
+-					  NL80211_IFTYPE_STATION, &params);
+-		if (result)
+-			wiphy_warn(local->hw.wiphy,
+-				   "Failed to add default virtual iface\n");
+-	}
+-
+-	wiphy_unlock(hw->wiphy);
+-	rtnl_unlock();
+-
+ #ifdef CONFIG_INET
+ 	local->ifa_notifier.notifier_call = ieee80211_ifa_changed;
+ 	result = register_inetaddr_notifier(&local->ifa_notifier);