added check to see if a session for a device
has been initialised if it has return 0.
Fixes: 5d6c73dd5938 ("cryptodev: add reference count to session private data")
Cc: stable@dpdk.org
Signed-off-by: Marko Kovacevic <marko.kovacevic@intel.com>
Acked-by: Fiona Trahe <fiona.trahe@intel.com>
eb1940c84d