diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 5c568933ce48f521e24ef868b70f6e7c74d47c7b..b7adcf87280dd1772e377bebe505640eb78556a2 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -2003,7 +2003,8 @@ int iwl_mac_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 
 	mutex_lock(&priv->mutex);
 
-	if (WARN_ON(!iwl_is_ready_rf(priv))) {
+	if (!iwl_is_ready_rf(priv)) {
+		IWL_WARN(priv, "Try to add interface when device not ready\n");
 		err = -EINVAL;
 		goto out;
 	}