[dm-devel] [PATCH 15/16] block: split scsi_request out of struct request

[Bart Van Assche]

On Tue, 2017-01-24 at 09:09 +0100, hch at lst.de wrote:
> On Tue, Jan 24, 2017 at 12:33:13AM +0000, Bart Van Assche wrote:
> > Do we perhaps need a check before the above memcpy() call whether or not
> > sense == NULL?
> 
> Yes, probably.  I didn't think of the case where the caller wouldn't
> pass a sense buffer.  Just curious, what's the callstack that caused
> this?

Hello Christoph,

The call stack was as follows:
* __scsi_execute()
* scsi_execute_req_flags()
* scsi_vpd_inquiry()
* scsi_attach_vpd()
* scsi_probe_and_add_lun()
* __scsi_add_device()
* ata_scsi_scan_host()
* async_port_probe()
* async_run_entry_fn()
* process_one_work()
* worker_thread()
* kthread()

Bart.