2021-08-23 21:59:30

by Gix, Brian

[permalink] [raw]
Subject: [PATCH] bluetooth: mgmt: Disallow legacy MGMT_OP_READ_LOCAL_OOB_EXT_DATA

Legacy (v2.0) controllers do not support Extended OOB Data used by SSP.

Signed-off-by: Brian Gix <[email protected]>
---
net/bluetooth/mgmt.c | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 1e21e014efd2..77ea94403cd6 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -7315,6 +7315,11 @@ static int read_local_oob_ext_data(struct sock *sk, struct hci_dev *hdev,
if (!rp)
return -ENOMEM;

+ if (!status && !lmp_ssp_capable(hdev)) {
+ status = MGMT_STATUS_NOT_SUPPORTED;
+ eir_len = 0;
+ }
+
if (status)
goto complete;

--
2.31.1