diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 0524a6f..5dfc4db 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -8181,7 +8181,7 @@ static int nl80211_notify_radar_detection(struct sk_buff *skb,
 
 	cfg80211_sched_dfs_chan_update(rdev);
 
-	memcpy(&rdev->radar_chandef, &chandef, sizeof(chandef));
+	rdev->radar_chandef = chandef;
 
 	/* Propagate this notification to other radios as well */
 	queue_work(cfg80211_wq, &rdev->propagate_radar_detect_wk);