tools: work around for double link_del

libos-nuse · May 1, 2015 · 7235e6f · 7235e6f
1 parent 76a6423
commit 7235e6f
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/nuse.c b/nuse.c
@@ -175,7 +175,8 @@ static void *nuse_task_start_trampoline(void *context)
 	callback(callback_context);
 
 	/*  nuse_fiber_free (task->private); */
-	list_del(&task->head);
+	if (task->head.prev != LIST_POISON2)
+		list_del(&task->head);
 	free(task);
 
 	return ctx;
@@ -239,7 +240,8 @@ void nuse_event_cancel(struct SimKernel *kernel, void *event)
 
 	nuse_fiber_stop(g_exported->task_get_private(task->s_task));
 	/*  nuse_fiber_free (task->private); */
-	list_del(&task->head);
+	if (task->head.prev != LIST_POISON2)
+		list_del(&task->head);
 }
 
 void nuse_task_wait(struct SimKernel *kernel)