p71924506
/
linux_old1
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

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

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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
net/bluetooth/hci_event.c
View File

@ -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)