Bluetooth: Add identity address check in param lookup functions

Since we only store entries with identity addresses in the
le_conn_params and pend_le_conns lists we can avoid unnecessary lookups
by checking for an identity address before diving into the lists
themselves.

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

1 files changed, 8 insertions, 0 deletions

diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 8882a6cd2876..750f969df8db 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -3399,6 +3399,10 @@ struct hci_conn_params *hci_conn_params_lookup(struct hci_dev *hdev,
 {
         struct hci_conn_params *params;
 
+        /* The conn params list only contains identity addresses */
+        if (!hci_is_identity_address(addr, addr_type))
+                return NULL;
+
         list_for_each_entry(params, &hdev->le_conn_params, list) {
                 if (bacmp(&params->addr, addr) == 0 &&
                     params->addr_type == addr_type) {
@@ -3432,6 +3436,10 @@ struct hci_conn_params *hci_pend_le_conn_lookup(struct hci_dev *hdev,
 {
         struct hci_conn_params *param;
 
+        /* The list only contains identity addresses */
+        if (!hci_is_identity_address(addr, addr_type))
+                return NULL;
+
         list_for_each_entry(param, &hdev->pend_le_conns, pend_le_conn) {
                 if (bacmp(&param->addr, addr) == 0 &&
                     param->addr_type == addr_type)