Authentication key is not required for all algorithms. Making sure the
null check is done only when 'auth_key_sz' is non-zero.
Fixes: f8be1786b1b8 ("app/crypto-perf: introduce performance test application")
Cc: stable@dpdk.org
Signed-off-by: Anoob Joseph <anoob.joseph@caviumnetworks.com>
Signed-off-by: Ayuj Verma <ayuj.verma@caviumnetworks.com>
Acked-by: Akhil Goyal <akhil.goyal@nxp.com>
c864167ce9