From: Johan Hedberg <johan.hedberg@xxxxxxxxx>
The concept of Class of Device only exists for BR/EDR controllers. The
mgmt_set_dev_class command should therefore return a proper "not
supported" error if it is attempted for a controller that doesn't
support BR/EDR (e.g. a single mode LE-only one).
Signed-off-by: Johan Hedberg <johan.hedberg@xxxxxxxxx>
---
net/bluetooth/mgmt.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 2785de2..6e6de9e 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -1424,6 +1424,12 @@ static int set_dev_class(struct sock *sk, struct hci_dev *hdev, void *data,
hci_dev_lock(hdev);
+ if (!lmp_bredr_capable(hdev)) {
+ err = cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
+ MGMT_STATUS_NOT_SUPPORTED);
+ goto unlock;
+ }
+
if (test_bit(HCI_PENDING_CLASS, &hdev->dev_flags)) {
err = cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
MGMT_STATUS_BUSY);
--
1.7.10.4
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