Bluetooth: Process result of HCI Delete Stored Link Key command

When the HCI Delete Stored Link Key command completes, then update the
value of current stored keys in hci_dev structure.

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

1 files changed, 20 insertions, 0 deletions

diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index b1580daede13..a58845e98921 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -232,6 +232,22 @@ static void hci_cc_read_stored_link_key(struct hci_dev *hdev,
         }
 }
 
+static void hci_cc_delete_stored_link_key(struct hci_dev *hdev,
+                                          struct sk_buff *skb)
+{
+        struct hci_rp_delete_stored_link_key *rp = (void *)skb->data;
+
+        BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
+
+        if (rp->status)
+                return;
+
+        if (rp->num_keys <= hdev->stored_num_keys)
+                hdev->stored_num_keys -= rp->num_keys;
+        else
+                hdev->stored_num_keys = 0;
+}
+
 static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb)
 {
         __u8 status = *((__u8 *) skb->data);
@@ -2736,6 +2752,10 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
                 hci_cc_read_stored_link_key(hdev, skb);
                 break;
 
+        case HCI_OP_DELETE_STORED_LINK_KEY:
+                hci_cc_delete_stored_link_key(hdev, skb);
+                break;
+
         case HCI_OP_WRITE_LOCAL_NAME:
                 hci_cc_write_local_name(hdev, skb);
                 break;