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Bluetooth: Refactor hci_auth_complete_evt function 

Replace if(conn) with if(!conn) checking to avoid too many nested statements

Signed-off-by: Waldemar Rymarkiewicz <waldemar.rymarkiewicz@tieto.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
This commit is contained in:
Waldemar Rymarkiewicz 2011-05-31 15:49:26 +02:00 committed by Gustavo F. Padovan
parent 19f8def031
commit d7556e20ad
1 changed files with 41 additions and 42 deletions
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83
net/bluetooth/hci_event.c
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@ -1487,59 +1487,58 @@ static inline void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *s
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
if (conn) {
if (!ev->status) {
if (!(conn->ssp_mode > 0 && hdev->ssp_mode > 0) &&
test_bit(HCI_CONN_REAUTH_PEND,
&conn->pend)) {
BT_INFO("re-auth of legacy device is not"
"possible.");
} else {
conn->link_mode |= HCI_LM_AUTH;
conn->sec_level = conn->pending_sec_level;
}
if (!conn)
goto unlock;
if (!ev->status) {
if (!(conn->ssp_mode > 0 && hdev->ssp_mode > 0) &&
test_bit(HCI_CONN_REAUTH_PEND, &conn->pend)) {
BT_INFO("re-auth of legacy device is not possible.");
} else {
mgmt_auth_failed(hdev->id, &conn->dst, ev->status);
conn->link_mode |= HCI_LM_AUTH;
conn->sec_level = conn->pending_sec_level;
}
} else {
mgmt_auth_failed(hdev->id, &conn->dst, ev->status);
}
clear_bit(HCI_CONN_AUTH_PEND, &conn->pend);
clear_bit(HCI_CONN_REAUTH_PEND, &conn->pend);
clear_bit(HCI_CONN_AUTH_PEND, &conn->pend);
clear_bit(HCI_CONN_REAUTH_PEND, &conn->pend);
if (conn->state == BT_CONFIG) {
if (!ev->status && hdev->ssp_mode > 0 &&
conn->ssp_mode > 0) {
struct hci_cp_set_conn_encrypt cp;
cp.handle = ev->handle;
cp.encrypt = 0x01;
hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT,
sizeof(cp), &cp);
} else {
conn->state = BT_CONNECTED;
hci_proto_connect_cfm(conn, ev->status);
hci_conn_put(conn);
}
if (conn->state == BT_CONFIG) {
if (!ev->status && hdev->ssp_mode > 0 && conn->ssp_mode > 0) {
struct hci_cp_set_conn_encrypt cp;
cp.handle = ev->handle;
cp.encrypt = 0x01;
hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
&cp);
} else {
hci_auth_cfm(conn, ev->status);
hci_conn_hold(conn);
conn->disc_timeout = HCI_DISCONN_TIMEOUT;
conn->state = BT_CONNECTED;
hci_proto_connect_cfm(conn, ev->status);
hci_conn_put(conn);
}
} else {
hci_auth_cfm(conn, ev->status);
if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) {
if (!ev->status) {
struct hci_cp_set_conn_encrypt cp;
cp.handle = ev->handle;
cp.encrypt = 0x01;
hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT,
sizeof(cp), &cp);
} else {
clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend);
hci_encrypt_cfm(conn, ev->status, 0x00);
}
hci_conn_hold(conn);
conn->disc_timeout = HCI_DISCONN_TIMEOUT;
hci_conn_put(conn);
}
if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) {
if (!ev->status) {
struct hci_cp_set_conn_encrypt cp;
cp.handle = ev->handle;
cp.encrypt = 0x01;
hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
&cp);
} else {
clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend);
hci_encrypt_cfm(conn, ev->status, 0x00);
}
}
unlock:
hci_dev_unlock(hdev);
}