hci_connect is a super function for connecting hci protocols. But the voice_setting parameter is only needed by SCO and security requirements are not needed for SCO channels. Thus, it makes sense to have a separate function. --- include/net/bluetooth/hci_core.h | 2 ++ net/bluetooth/hci_conn.c | 9 +++------ net/bluetooth/sco.c | 3 +-- 3 files changed, 6 insertions(+), 8 deletions(-) diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index e6aa0f1..69785c2 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -592,6 +592,8 @@ struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle); struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, __u8 dst_type, __u8 sec_level, __u8 auth_type); +struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst, + __u16 voice_setting); int hci_conn_check_link_mode(struct hci_conn *conn); int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type); diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c index b9f9016..ad551e2 100644 --- a/net/bluetooth/hci_conn.c +++ b/net/bluetooth/hci_conn.c @@ -551,13 +551,13 @@ static struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst, return acl; } -static struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, - bdaddr_t *dst, u8 sec_level, u8 auth_type) +struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst, + __u16 voice_setting) { struct hci_conn *acl; struct hci_conn *sco; - acl = hci_connect_acl(hdev, dst, sec_level, auth_type); + acl = hci_connect_acl(hdev, dst, BT_SECURITY_LOW, HCI_AT_NO_BONDING); if (IS_ERR(acl)) return acl; @@ -603,9 +603,6 @@ struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, return hci_connect_le(hdev, dst, dst_type, sec_level, auth_type); case ACL_LINK: return hci_connect_acl(hdev, dst, sec_level, auth_type); - case SCO_LINK: - case ESCO_LINK: - return hci_connect_sco(hdev, type, dst, sec_level, auth_type); } return ERR_PTR(-EINVAL); diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c index dc92073..7593a8e 100644 --- a/net/bluetooth/sco.c +++ b/net/bluetooth/sco.c @@ -176,8 +176,7 @@ static int sco_connect(struct sock *sk) else type = SCO_LINK; - hcon = hci_connect(hdev, type, dst, BDADDR_BREDR, BT_SECURITY_LOW, - HCI_AT_NO_BONDING); + hcon = hci_connect_sco(hdev, type, dst, sco_pi(sk)->voice_setting); if (IS_ERR(hcon)) { err = PTR_ERR(hcon); goto done; -- 1.7.9.5 -- 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