diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index f99d19077020..cc210fb790d8 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -3095,6 +3095,9 @@ static int btusb_mtk_hci_wmt_sync(struct hci_dev *hdev,
 		goto err_free_wc;
 	}
 
+	if (data->evt_skb == NULL)
+		goto err_free_wc;
+
 	/* Parse and handle the return WMT event */
 	wmt_evt = (struct btmtk_hci_wmt_evt *)data->evt_skb->data;
 	if (wmt_evt->whdr.op != hdr->op) {