Bluetooth: Check for flow control mode

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

1 files changed, 5 insertions, 0 deletions

diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index da4e17f4a7c6..5a204aefc035 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -2263,6 +2263,11 @@ static inline void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *s
 
         BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl);
 
+        if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_PACKET_BASED) {
+                BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
+                return;
+        }
+
         if (skb->len < ev->num_hndl * 4) {
                 BT_DBG("%s bad parameters", hdev->name);
                 return;