AP_BoardConfig: reducing indenting by linearizing the logic

libraries/AP_BoardConfig/AP_BoardConfig_CAN.cpp

@@ -127,15 +127,20 @@ void AP_BoardConfig_CAN::setup_canbus(void)
 
     if (initret) {
         for (uint8_t i = 0; i < MAX_NUMBER_OF_CAN_DRIVERS; i++) {
-            if (hal.can_mgr[i] != nullptr) {
+            if (hal.can_mgr[i] == nullptr) {
+                continue;
+            }
             hal.can_mgr[i]->initialized(true);
             printf("can_mgr %d initialized well\n\r", i + 1);
 
             if (_var_info_can_protocol[i]._protocol == UAVCAN_PROTOCOL_ENABLE) {
                 _var_info_can_protocol[i]._uavcan = new AP_UAVCAN;
 
-                    if (_var_info_can_protocol[i]._uavcan != nullptr)
-                    {
+                if (_var_info_can_protocol[i]._uavcan == nullptr) {
+                    AP_HAL::panic("Failed to allocate uavcan %d\n\r", i + 1);
+                    continue;
+                }
+                
                 AP_Param::load_object_from_eeprom(_var_info_can_protocol[i]._uavcan, AP_UAVCAN::var_info);
 
                 hal.can_mgr[i]->set_UAVCAN(_var_info_can_protocol[i]._uavcan);
@@ -146,11 +151,6 @@ void AP_BoardConfig_CAN::setup_canbus(void)
                 } else {
                     printf("Failed to initialize uavcan interface %d\n\r", i + 1);
                 }
-
-                    } else {
-                        AP_HAL::panic("Failed to allocate uavcan %d\n\r", i + 1);
-                    }
-                }
             }
         }