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Bluetooth: Fix trying to initiate connections when acting as LE slave

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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@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Johan Hedberg 2014-07-16 11:56:09 +03:00 committed by Marcel Holtmann
parent f8218dc660
commit f99353cf9c
1 changed files with 6 additions and 0 deletions
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6
net/bluetooth/hci_event.c
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@ -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)