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Bluetooth: Don't let background scanning interfering with discovery

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If we have an active discovery going on we shouldn't do any changes to
LE scanning when hci_update_background_scan() is called (a call which
can happen for many different reasons). This patch fixes the issue by
returning from the function if the discovery state is anything else
except DISCOVERY_STOPPED.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Johan Hedberg 2014-07-07 13:24:59 +03:00 committed by Marcel Holtmann
parent bb3e0a336a
commit ae23ada43d
1 changed files with 4 additions and 0 deletions
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4
net/bluetooth/hci_core.c
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@ -5403,6 +5403,10 @@ void hci_update_background_scan(struct hci_dev *hdev)
test_bit(HCI_UNREGISTER, &hdev->dev_flags))
return;
/* If discovery is active don't interfere with it */
if (hdev->discovery.state != DISCOVERY_STOPPED)
return;
hci_req_init(&req, hdev);
if (list_empty(&hdev->pend_le_conns) &&