Merge branch 'liquidio-improve-soft-command-response-handling'

Merge branch 'liquidio-improve-soft-command-response-handling'

Weilin Chang says:

====================
liquidio: improve soft command/response handling

Change soft command handling to fix the possible race condition when the
process handles a response of a soft command that was already freed by an
application which got timeout for this request.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>