[Kernel] Fix the critical issue under smp
@@ -792,6 +792,12 @@ void rt_enter_critical(void)
level = rt_hw_local_irq_disable();
current_thread = rt_cpu_self()->current_thread;
+ if (!current_thread)
+ {
+ rt_hw_local_irq_enable(level);
+ return ;
+ }
+
/*
* the maximal number of nest is RT_UINT16_MAX, which is big
* enough and does not check here
@@ -842,6 +848,11 @@ void rt_exit_critical(void)
level = rt_hw_local_irq_disable();
current_thread = rt_cpu_self()->current_thread;
+ if (!current_thread)
+ {
+ rt_hw_local_irq_enable(level);
+ return ;
+ }
current_thread->scheduler_lock_nest --;
