56     VkLayerDbgFunctionNode *pTrav = debug_data->g_pDbgFunctionHead;  in debug_report_log_msg()  local
57     while (pTrav) {  in debug_report_log_msg()
58         if (pTrav->msgFlags & msgFlags) {  in debug_report_log_msg()
59 …if (pTrav->pfnMsgCallback(msgFlags, objectType, srcObject, location, msgCode, pLayerPrefix, pMsg, …  in debug_report_log_msg()
63         pTrav = pTrav->pNext;  in debug_report_log_msg()
95     VkLayerDbgFunctionNode *pTrav;  in layer_debug_report_destroy_instance()  local
102     pTrav = debug_data->g_pDbgFunctionHead;  in layer_debug_report_destroy_instance()
104     while (pTrav) {  in layer_debug_report_destroy_instance()
105         pTravNext = pTrav->pNext;  in layer_debug_report_destroy_instance()
108 …            (uint64_t)pTrav->msgCallback, 0, VK_DEBUG_REPORT_ERROR_CALLBACK_REF_EXT, "DebugReport",  in layer_debug_report_destroy_instance()
111         free(pTrav);  in layer_debug_report_destroy_instance()
112         pTrav = pTravNext;  in layer_debug_report_destroy_instance()
154     VkLayerDbgFunctionNode *pTrav = debug_data->g_pDbgFunctionHead;  in layer_destroy_msg_callback()  local
155     VkLayerDbgFunctionNode *pPrev = pTrav;  in layer_destroy_msg_callback()
159     while (pTrav) {  in layer_destroy_msg_callback()
160         if (pTrav->msgCallback == callback) {  in layer_destroy_msg_callback()
162             pPrev->pNext = pTrav->pNext;  in layer_destroy_msg_callback()
163             if (debug_data->g_pDbgFunctionHead == pTrav) {  in layer_destroy_msg_callback()
164                 debug_data->g_pDbgFunctionHead = pTrav->pNext;  in layer_destroy_msg_callback()
167 …            (uint64_t)pTrav->msgCallback, 0, VK_DEBUG_REPORT_ERROR_CALLBACK_REF_EXT, "DebugReport",  in layer_destroy_msg_callback()
171             debug_data->active_flags |= pTrav->msgFlags;  in layer_destroy_msg_callback()
173         pPrev = pTrav;  in layer_destroy_msg_callback()
174         pTrav = pTrav->pNext;  in layer_destroy_msg_callback()