From 7aca0ac4792e6cb0f35ef97bfcb39b1663a92fb7 Mon Sep 17 00:00:00 2001
From: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Date: Wed, 7 Dec 2022 11:56:57 -0800
Subject: [PATCH] Bluetooth: Wait for HCI_OP_WRITE_AUTH_PAYLOAD_TO to complete
This make sure HCI_OP_WRITE_AUTH_PAYLOAD_TO completes before notifying
the encryption change just as is done with HCI_OP_READ_ENC_KEY_SIZE.
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
---
net/bluetooth/hci_event.c | 22 ++++++++++++++++------
1 file changed, 16 insertions(+), 6 deletions(-)
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index ade2628aae0d7..0594af4e37cad 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -801,9 +801,6 @@ static u8 hci_cc_write_auth_payload_timeout(struct hci_dev *hdev, void *data,
bt_dev_dbg(hdev, "status 0x%2.2x", rp->status);
- if (rp->status)
- return rp->status;
-
sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_AUTH_PAYLOAD_TO);
if (!sent)
return rp->status;
@@ -811,9 +808,17 @@ static u8 hci_cc_write_auth_payload_timeout(struct hci_dev *hdev, void *data,
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
- if (conn)
+ if (!conn) {
+ rp->status = 0xff;
+ goto unlock;
+ }
+
+ if (!rp->status)
conn->auth_payload_timeout = get_unaligned_le16(sent + 2);
+ hci_encrypt_cfm(conn, 0);
+
+unlock:
hci_dev_unlock(hdev);
return rp->status;
@@ -3680,8 +3685,13 @@ static void hci_encrypt_change_evt(struct hci_dev *hdev, void *data,
cp.handle = cpu_to_le16(conn->handle);
cp.timeout = cpu_to_le16(hdev->auth_payload_timeout);
- hci_send_cmd(conn->hdev, HCI_OP_WRITE_AUTH_PAYLOAD_TO,
- sizeof(cp), &cp);
+ if (hci_send_cmd(conn->hdev, HCI_OP_WRITE_AUTH_PAYLOAD_TO,
+ sizeof(cp), &cp)) {
+ bt_dev_err(hdev, "write auth payload timeout failed");
+ goto notify;
+ }
+
+ goto unlock;
}
notify:
--
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