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Commit c72d4b8a authored by Szymon Janc's avatar Szymon Janc Committed by Gustavo Padovan
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Bluetooth: mgmt: Don't allow to set invalid value to DeviceID source



Reply with MGMT_STATUS_INVALID_PARAMS when userspace is trying to set
source with out-of-scope value.

Signed-off-by: default avatarSzymon Janc <szymon.janc@tieto.com>
Acked-by: default avatarGustavo Padovan <gustavo@padovan.org>
Signed-off-by: default avatarJohan Hedberg <johan.hedberg@intel.com>
parent d97dcb66
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+8 −1
Original line number Diff line number Diff line
@@ -2532,12 +2532,19 @@ static int set_device_id(struct sock *sk, struct hci_dev *hdev, void *data,
{
	struct mgmt_cp_set_device_id *cp = data;
	int err;
	__u16 source;

	BT_DBG("%s", hdev->name);

	source = __le16_to_cpu(cp->source);

	if (source > 0x0002)
		return cmd_status(sk, hdev->id, MGMT_OP_SET_DEVICE_ID,
				  MGMT_STATUS_INVALID_PARAMS);

	hci_dev_lock(hdev);

	hdev->devid_source = __le16_to_cpu(cp->source);
	hdev->devid_source = source;
	hdev->devid_vendor = __le16_to_cpu(cp->vendor);
	hdev->devid_product = __le16_to_cpu(cp->product);
	hdev->devid_version = __le16_to_cpu(cp->version);