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Bluetooth: Refactor stop_discovery

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This patch does a trivial code refactoring in stop_discovery
function by using a switch statement instead of an if-return-else
approach.

Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo@padovan.org>
This commit is contained in:
Andre Guedes 2012-03-20 15:15:36 -03:00 committed by Gustavo Padovan
parent 7537e5c306
commit e0d9727edb
1 changed files with 25 additions and 17 deletions
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42
net/bluetooth/mgmt.c
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@ -2401,31 +2401,39 @@ static int stop_discovery(struct sock *sk, struct hci_dev *hdev, void *data,
goto unlock;
}
if (hdev->discovery.state == DISCOVERY_FINDING) {
switch (hdev->discovery.state) {
case DISCOVERY_FINDING:
if (test_bit(HCI_INQUIRY, &hdev->flags))
err = hci_cancel_inquiry(hdev);
else
err = hci_cancel_le_scan(hdev);
if (err < 0)
break;
case DISCOVERY_RESOLVING:
e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY,
NAME_PENDING);
if (!e) {
mgmt_pending_remove(cmd);
else
hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
goto unlock;
err = cmd_complete(sk, hdev->id,
MGMT_OP_STOP_DISCOVERY, 0,
&mgmt_cp->type,
sizeof(mgmt_cp->type));
hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
goto unlock;
}
bacpy(&cp.bdaddr, &e->data.bdaddr);
err = hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ_CANCEL,
sizeof(cp), &cp);
break;
default:
BT_DBG("unknown discovery state %u", hdev->discovery.state);
err = -EFAULT;
}
e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_PENDING);
if (!e) {
mgmt_pending_remove(cmd);
err = cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY, 0,
&mgmt_cp->type, sizeof(mgmt_cp->type));
hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
goto unlock;
}
bacpy(&cp.bdaddr, &e->data.bdaddr);
err = hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ_CANCEL, sizeof(cp),
&cp);
if (err < 0)
mgmt_pending_remove(cmd);
else