1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/bluetooth/hci_ath.c b/drivers/bluetooth/hci_ath.c
index a55be205b91a..dbfe34664633 100644
--- a/drivers/bluetooth/hci_ath.c
+++ b/drivers/bluetooth/hci_ath.c
@@ -98,6 +98,9 @@ static int ath_open(struct hci_uart *hu)
 
         BT_DBG("hu %p", hu);
 
+        if (!hci_uart_has_flow_control(hu))
+                return -EOPNOTSUPP;
+
         ath = kzalloc(sizeof(*ath), GFP_KERNEL);
         if (!ath)
                 return -ENOMEM;