anchao opened a new pull request, #15346:
URL: https://github.com/apache/nuttx/pull/15346

   ## Summary
   
   sched/event: init deleted node to avoid null pointer reference
   
   nxevent_tickwait() will remove the node in failure case(EINTR). If the node
   has been deleted in the nxevent_post(), NULL pointer reference will
   be triggered after semaphore wait.
   
   Signed-off-by: chao an <anc...@lixiang.com>
   
   
   ## Impact
   
   N/A
   
   ## Testing
   
   ostest/ci-check
   


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