From: Johan Hedberg <johan.hedberg@xxxxxxxxx> When we have at least one LE slave connection most (probably all) controllers will refuse to initiate any new connections. To avoid unnecessary failures simply check for this situation up-front and skip the connection attempt. Signed-off-by: Johan Hedberg <johan.hedberg@xxxxxxxxx> --- net/bluetooth/hci_event.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index c68b93e11686..e54db7f0590b 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -4246,6 +4246,12 @@ static void check_pending_le_conn(struct hci_dev *hdev, bdaddr_t *addr, if (hci_bdaddr_list_lookup(&hdev->blacklist, addr, addr_type)) return; + /* Most controller will fail if we try to create new connections + * while we have an existing one in slave role. + */ + if (hdev->conn_hash.le_num_slave > 0) + return; + /* If we're connectable, always connect any ADV_DIRECT_IND event */ if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags) && adv_type == LE_ADV_DIRECT_IND) -- 1.9.3 -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
