From: Marcel Holtmann <marcel@holtmann.org>
Date: Wed, 14 Jan 2015 23:43:10 +0000 (-0800)
Subject: Bluetooth: Don't register any SMP channel if LE is not supported
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=7e7ec44564cacd4a19cca9523a7be1916b108aa6;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

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>
---

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);