diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 9e0366ea86f4..4c695f29dfed 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -4208,6 +4208,9 @@ EXPORT_SYMBOL(regulatory_pre_cac_allowed);
 static void cfg80211_check_and_end_cac(struct cfg80211_registered_device *rdev)
 {
 	struct wireless_dev *wdev;
+
+	wiphy_lock(&rdev->wiphy);
+
 	/* If we finished CAC or received radar, we should end any
 	 * CAC running on the same channels.
 	 * the check !cfg80211_chandef_dfs_usable contain 2 options:
@@ -4231,6 +4234,8 @@ static void cfg80211_check_and_end_cac(struct cfg80211_registered_device *rdev)
 		if (!cfg80211_chandef_dfs_usable(&rdev->wiphy, chandef))
 			rdev_end_cac(rdev, wdev->netdev);
 	}
+
+	wiphy_unlock(&rdev->wiphy);
 }
 
 void regulatory_propagate_dfs_state(struct wiphy *wiphy,