Bluetooth: Change hci_conn_params_add to return the parameter struct

When adding new connection parameters, it is useful to return either
the existing struct or the newly created one.

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

1 files changed, 6 insertions, 5 deletions

diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 2312e77582b0..883ddd52344d 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -3472,21 +3472,22 @@ void hci_pend_le_conns_clear(struct hci_dev *hdev)
 }
 
 /* This function requires the caller holds hdev->lock */
-int hci_conn_params_add(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type)
+struct hci_conn_params *hci_conn_params_add(struct hci_dev *hdev,
+                                            bdaddr_t *addr, u8 addr_type)
 {
         struct hci_conn_params *params;
 
         if (!is_identity_address(addr, addr_type))
-                return -EINVAL;
+                return NULL;
 
         params = hci_conn_params_lookup(hdev, addr, addr_type);
         if (params)
-                return 0;
+                return params;
 
         params = kzalloc(sizeof(*params), GFP_KERNEL);
         if (!params) {
                 BT_ERR("Out of memory");
-                return -ENOMEM;
+                return NULL;
         }
 
         bacpy(&params->addr, addr);
@@ -3502,7 +3503,7 @@ int hci_conn_params_add(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type)
 
         BT_DBG("addr %pMR (type %u)", addr, addr_type);
 
-        return 0;
+        return params;
 }
 
 /* This function requires the caller holds hdev->lock */