Consider existing BOUND & CONNECT state CIS to block CIG removal.
Otherwise, under suitable timing conditions we may attempt to remove CIG
while Create CIS is pending, which fails.
Fixes: 26afbd826ee3 ("Bluetooth: Add initial implementation of CIS connections")
Signed-off-by: Pauli Virtanen <pav@xxxxxx>
---
Notes:
v2: no changes
net/bluetooth/hci_conn.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index f45476deca82..15cba23ade52 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -983,6 +983,8 @@ static void cis_cleanup(struct hci_conn *conn)
/* Check if ISO connection is a CIS and remove CIG if there are
* no other connections using it.
*/
+ hci_conn_hash_list_state(hdev, find_cis, ISO_LINK, BT_BOUND, &d);
+ hci_conn_hash_list_state(hdev, find_cis, ISO_LINK, BT_CONNECT, &d);
hci_conn_hash_list_state(hdev, find_cis, ISO_LINK, BT_CONNECTED, &d);
if (d.count)
return;
--
2.40.1
