diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index af4691f..e8dbda1 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -7,7 +7,9 @@
 
 static inline void check_sdata_in_driver(struct ieee80211_sub_if_data *sdata)
 {
-	WARN_ON(!(sdata->flags & IEEE80211_SDATA_IN_DRIVER));
+	WARN(!(sdata->flags & IEEE80211_SDATA_IN_DRIVER),
+	     "%s:  Failed check-sdata-in-driver check, flags: 0x%x\n",
+	     sdata->dev->name, sdata->flags);
 }
 
 static inline struct ieee80211_sub_if_data *