nvme-auth: add flag for bi-directional auth

Introduces an explicit variable for bi-directional auth.
The currently used variable chap->s2 is incorrectly zeroed for
uni-directional auth. That will be fixed in the next patch so this
needs to change to avoid sending unexpected success2 messages

Signed-off-by: Mark O'Donovan <shiftee@posteo.net>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
This commit is contained in:
Mark O'Donovan 2023-10-25 10:51:24 +00:00 • committed by Keith Busch
commit fc1e03eaca