diff options
-rw-r--r-- | net/bluetooth/iso.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/net/bluetooth/iso.c b/net/bluetooth/iso.c index 5ce823ca3aaf..ac6e83313b9b 100644 --- a/net/bluetooth/iso.c +++ b/net/bluetooth/iso.c @@ -458,6 +458,13 @@ static int iso_connect_cis(struct sock *sk) goto unlock; } + /* Check if there are available buffers for output/TX. */ + if (iso_pi(sk)->qos.ucast.out.sdu && !hci_iso_count(hdev) && + (hdev->iso_pkts && !hdev->iso_cnt)) { + err = -ENOBUFS; + goto unlock; + } + /* Just bind if DEFER_SETUP has been set */ if (test_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags)) { hcon = hci_bind_cis(hdev, &iso_pi(sk)->dst, |