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Commit 899e1075 authored by Marcel Holtmann's avatar Marcel Holtmann Committed by Johan Hedberg
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Bluetooth: Check that scan window is smaller or equal than scan interval 



The scan window parameter for connection establishment and passive
scanning needs to be smaller or equal than the scan interval.

Instead of waiting for a controller to reject these values later on,
just reject them right away.

Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
Signed-off-by: default avatarJohan Hedberg <johan.hedberg@intel.com>
parent 1f209383

net/bluetooth/mgmt.c

+4 −0
Original line number Diff line number Diff line
@@ -3493,6 +3493,10 @@ static int set_scan_params(struct sock *sk, struct hci_dev *hdev, 
		return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,

				  MGMT_STATUS_INVALID_PARAMS);



	if (window > interval)

		return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,

				  MGMT_STATUS_INVALID_PARAMS);



	hci_dev_lock(hdev);



	hdev->le_scan_interval = interval;