>>>>> "Ewan" == Ewan D Milne <[email protected]> writes:

Ewan> sd_prep_fn will allocate a larger CDB for the command via
Ewan> mempool_alloc for devices using DIF type 2 protection.  This CDB
Ewan> was being freed in sd_done, which results in a kernel crash if the
Ewan> command is retried due to a UNIT ATTENTION.  This change moves the
Ewan> code to free the larger CDB into sd_unprep_fn instead, which is
Ewan> invoked after the request is complete.

The 32-byte CDB support predates unprep. This fix is obviously the
correct approach.

Acked-by: Martin K. Petersen <[email protected]>

-- 
Martin K. Petersen      Oracle Linux Engineering
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