Il 20/05/2014 10:10, Bart Van Assche ha scritto:
REQ_ATOM_COMPLETE is already set before scsi_eh_scmd_add() is called since that function is only invoked after the block layer has marked a request as "complete". The only callers of scsi_eh_scmd_add() are scsi_softirq_done(), scsi_times_out() and scmd_eh_abort_handler(). That last function is invoked (indirectly) by scsi_times_out().
Yes, and answering my own question, you cannot have a dangling pointer in eh_abort_handler (unless you have a driver bug). This is because once eh_abort_handler is called, you know the interrupt handler will not trigger the softirq and scsi_finish_command won't be called.
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