X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fkernel%2Fao_task.c;h=104d1074b8b66a6b8286a9e21e1f79d1e3ad7b8e;hb=e6bad553009704af69b08b4a22fb5eb8ac6921f8;hp=55e423bb90bae9589f926ddbb3aeae690e2ad48a;hpb=4af4e36cda96d053458eeb040e35886890917385;p=fw%2Faltos

diff --git a/src/kernel/ao_task.c b/src/kernel/ao_task.c
index 55e423bb..104d1074 100644
--- a/src/kernel/ao_task.c
+++ b/src/kernel/ao_task.c
@@ -355,7 +355,6 @@ ao_yield(void) ao_arch_naked_define
 	 */
 	if (ao_cur_task->wchan == NULL)
 		ao_task_to_run_queue(ao_cur_task);
-	ao_cur_task = NULL;
 	for (;;) {
 		ao_arch_memory_barrier();
 		if (!ao_list_is_empty(&run_queue))
@@ -425,6 +424,7 @@ ao_sleep(__xdata void *wchan)
 void
 ao_wakeup(__xdata void *wchan) __reentrant
 {
+	ao_validate_cur_stack();
 #if HAS_TASK_QUEUE
 	struct ao_task	*sleep, *next;
 	struct ao_list	*sleep_queue;