diff options
| -rw-r--r-- | ports/esp32/mpthreadport.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/ports/esp32/mpthreadport.c b/ports/esp32/mpthreadport.c index 52d4d7ff4..6c4ed9b5e 100644 --- a/ports/esp32/mpthreadport.c +++ b/ports/esp32/mpthreadport.c @@ -54,7 +54,7 @@ typedef struct _thread_t { // the mutex controls access to the linked list STATIC mp_thread_mutex_t thread_mutex; STATIC thread_t thread_entry0; -STATIC thread_t *thread; // root pointer, handled by mp_thread_gc_others +STATIC thread_t *thread = NULL; // root pointer, handled by mp_thread_gc_others void mp_thread_init(void *stack, uint32_t stack_len) { mp_thread_set_state(&mp_state_ctx.thread); @@ -166,6 +166,10 @@ void mp_thread_finish(void) { } void vPortCleanUpTCB(void *tcb) { + if (thread == NULL) { + // threading not yet initialised + return; + } thread_t *prev = NULL; mp_thread_mutex_lock(&thread_mutex, 1); for (thread_t *th = thread; th != NULL; prev = th, th = th->next) { |