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Bluetooth: hci_conn: Fix not matching by CIS ID 

This fixes only matching CIS by address which prevents creating new hcon
if upper layer is requesting a specific CIS ID.

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This commit is contained in:
Luiz Augusto von Dentz 2023-04-11 16:14:25 -07:00
parent 06149746e7
commit c14516faed
2 changed files with 13 additions and 2 deletions
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12
include/net/bluetooth/hci_core.h
View File

@ -1180,7 +1180,9 @@ static inline struct hci_conn *hci_conn_hash_lookup_le(struct hci_dev *hdev,
static inline struct hci_conn *hci_conn_hash_lookup_cis(struct hci_dev *hdev,
bdaddr_t *ba,
__u8 ba_type)
__u8 ba_type,
__u8 cig,
__u8 id)
{
struct hci_conn_hash *h = &hdev->conn_hash;
struct hci_conn *c;
@ -1191,6 +1193,14 @@ static inline struct hci_conn *hci_conn_hash_lookup_cis(struct hci_dev *hdev,
if (c->type != ISO_LINK)
continue;
/* Match CIG ID if set */
if (cig != BT_ISO_QOS_CIG_UNSET && cig != c->iso_qos.ucast.cig)
continue;
/* Match CIS ID if set */
if (id != BT_ISO_QOS_CIS_UNSET && id != c->iso_qos.ucast.cis)
continue;
if (ba_type == c->dst_type && !bacmp(&c->dst, ba)) {
rcu_read_unlock();
return c;

3
net/bluetooth/hci_conn.c
View File

@ -1841,7 +1841,8 @@ struct hci_conn *hci_bind_cis(struct hci_dev *hdev, bdaddr_t *dst,
{
struct hci_conn *cis;
cis = hci_conn_hash_lookup_cis(hdev, dst, dst_type);
cis = hci_conn_hash_lookup_cis(hdev, dst, dst_type, qos->ucast.cig,
qos->ucast.cis);
if (!cis) {
cis = hci_conn_add(hdev, ISO_LINK, dst, HCI_ROLE_MASTER);
if (!cis)