Loading link keys into a LE only controller make no sense. The kernel
would never use any of these keys. So instead of allowing userspace
to waste memory, reject such operation with a not supported error
message.
Signed-off-by: Marcel Holtmann <marcel@xxxxxxxxxxxx>
---
net/bluetooth/mgmt.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 3b3ed05..273ea8f 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -1821,6 +1821,12 @@ static int load_link_keys(struct sock *sk, struct hci_dev *hdev, void *data,
u16 key_count, expected_len;
int i;
+ BT_DBG("request for %s", hdev->name);
+
+ if (!lmp_bredr_capable(hdev))
+ return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
+ MGMT_STATUS_NOT_SUPPORTED);
+
key_count = __le16_to_cpu(cp->key_count);
expected_len = sizeof(*cp) + key_count *
--
1.8.3.1
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