diff --git a/src/rtos/uCOS-III.c b/src/rtos/uCOS-III.c index 3cd9c2ae6..304d07c59 100644 --- a/src/rtos/uCOS-III.c +++ b/src/rtos/uCOS-III.c @@ -300,6 +300,11 @@ static int uCOS_III_update_threads(struct rtos *rtos) struct uCOS_III_params *params = rtos->rtos_specific_params; int retval; + if (rtos->symbols == NULL) { + LOG_ERROR("uCOS-III: symbol list not loaded"); + return ERROR_FAIL; + } + /* free previous thread details */ rtos_free_threadlist(rtos);