Bluetooth: Store OOB data present value for each set of remote OOB data

Instead of doing complex calculation every time the OOB data is used,
just calculate the OOB data present value and store it with the OOB
data raw values.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 5d4ac3fbbc08..f045c062f8f0 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -2581,9 +2581,15 @@ int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr,
         if (hash192 && rand192) {
                 memcpy(data->hash192, hash192, sizeof(data->hash192));
                 memcpy(data->rand192, rand192, sizeof(data->rand192));
+                if (hash256 && rand256)
+                        data->present = 0x03;
         } else {
                 memset(data->hash192, 0, sizeof(data->hash192));
                 memset(data->rand192, 0, sizeof(data->rand192));
+                if (hash256 && rand256)
+                        data->present = 0x02;
+                else
+                        data->present = 0x00;
         }
 
         if (hash256 && rand256) {
@@ -2592,6 +2598,8 @@ int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr,
         } else {
                 memset(data->hash256, 0, sizeof(data->hash256));
                 memset(data->rand256, 0, sizeof(data->rand256));
+                if (hash192 && rand192)
+                        data->present = 0x01;
         }
 
         BT_DBG("%s for %pMR", hdev->name, bdaddr);