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Check NULL pointer input for vEventGroupDelete.

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mingyue86010 2021-03-24 16:46:40 -07:00
parent 4ad84923a0
commit d55f0934c3
1 changed files with 30 additions and 24 deletions
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10
event_groups.c
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@ -625,8 +625,13 @@ EventBits_t xEventGroupSetBits( EventGroupHandle_t xEventGroup,
void vEventGroupDelete( EventGroupHandle_t xEventGroup ) void vEventGroupDelete( EventGroupHandle_t xEventGroup )
{ {
EventGroup_t * pxEventBits = xEventGroup; EventGroup_t * pxEventBits;
const List_t * pxTasksWaitingForBits = &( pxEventBits->xTasksWaitingForBits ); const List_t * pxTasksWaitingForBits;
if ( NULL != xEventGroup )
{
pxEventBits = xEventGroup;
pxTasksWaitingForBits = &( pxEventBits->xTasksWaitingForBits );
vTaskSuspendAll(); vTaskSuspendAll();
{ {
@ -662,6 +667,7 @@ void vEventGroupDelete( EventGroupHandle_t xEventGroup )
#endif /* configSUPPORT_DYNAMIC_ALLOCATION */ #endif /* configSUPPORT_DYNAMIC_ALLOCATION */
} }
( void ) xTaskResumeAll(); ( void ) xTaskResumeAll();
}
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/