Bluetooth: Don't register any SMP channel if LE is not supported

When LE features are not supported, then do not bother registering any
kind of SMP channel.

Signed-off-by: Marcel Holtmann <[email protected]>
Signed-off-by: Johan Hedberg <[email protected]>

diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c
index 3e4de935f667ae3228f1d54a686498bd5623ac4c..08a9314f3ca7f9d19bef0c98105545f839509d7e 100644 (file)
--- a/net/bluetooth/smp.c
+++ b/net/bluetooth/smp.c
@@ -3066,6 +3066,12 @@ int smp_register(struct hci_dev *hdev)
 
        BT_DBG("%s", hdev->name);
 
+       /* If the controller does not support Low Energy operation, then
+        * there is also no need to register any SMP channel.
+        */
+       if (!lmp_le_capable(hdev))
+               return 0;
+
        chan = smp_add_cid(hdev, L2CAP_CID_SMP);
        if (IS_ERR(chan))
                return PTR_ERR(chan);