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authorLuiz Augusto von Dentz <luiz.von.dentz@intel.com>2023-03-08 16:16:31 -0800
committerLuiz Augusto von Dentz <luiz.von.dentz@intel.com>2023-04-23 21:48:44 -0700
commitb8b23001b8025a61f0979578884a74faa825023e (patch)
tree6943849a0a56ba4b9fbcc898e0a5f3e38b215723 /net/bluetooth/smp.c
parentBluetooth: hci_sync: Remove duplicate statement (diff)
downloadlinux-b8b23001b8025a61f0979578884a74faa825023e.tar.xz
linux-b8b23001b8025a61f0979578884a74faa825023e.zip
Bluetooth: L2CAP: Delay identity address updates
This delays the identity address updates to give time for userspace to process the new address otherwise there is a risk that userspace creates a duplicated device if the MGMT event is delayed for some reason. Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Diffstat (limited to 'net/bluetooth/smp.c')
-rw-r--r--net/bluetooth/smp.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c
index 70663229b3cc..f1a9fc0012f0 100644
--- a/net/bluetooth/smp.c
+++ b/net/bluetooth/smp.c
@@ -58,6 +58,8 @@
#define SMP_TIMEOUT msecs_to_jiffies(30000)
+#define ID_ADDR_TIMEOUT msecs_to_jiffies(200)
+
#define AUTH_REQ_MASK(dev) (hci_dev_test_flag(dev, HCI_SC_ENABLED) ? \
0x3f : 0x07)
#define KEY_DIST_MASK 0x07
@@ -1067,7 +1069,12 @@ static void smp_notify_keys(struct l2cap_conn *conn)
if (hcon->type == LE_LINK) {
bacpy(&hcon->dst, &smp->remote_irk->bdaddr);
hcon->dst_type = smp->remote_irk->addr_type;
- queue_work(hdev->workqueue, &conn->id_addr_update_work);
+ /* Use a short delay to make sure the new address is
+ * propagated _before_ the channels.
+ */
+ queue_delayed_work(hdev->workqueue,
+ &conn->id_addr_timer,
+ ID_ADDR_TIMEOUT);
}
}