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 <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c
index 3e4de935f667..08a9314f3ca7 100644
--- 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);