cfg80211: add wdev to testmode cmd

To allow drivers to implement per-interface testmode operations
more easily, pass a wdev pointer if any identification for one
was given from userspace. Clean up the code a bit while at it.

Signed-off-by: David Spinadel <david.spinadel@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
index 277b37a..b7d8850 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
@@ -3152,7 +3152,9 @@
 }
 
 #ifdef CONFIG_NL80211_TESTMODE
-static int brcmf_cfg80211_testmode(struct wiphy *wiphy, void *data, int len)
+static int brcmf_cfg80211_testmode(struct wiphy *wiphy,
+				   struct wireless_dev *wdev,
+				   void *data, int len)
 {
 	struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
 	struct net_device *ndev = cfg_to_ndev(cfg);