[PATCH] test/crypto: add null check for ZUC authentication op

[Akhil Goyal]

> > Subject: [PATCH] test/crypto: add null check for ZUC authentication op
> >
> > Check if the returned op is NULL because of failure, before using it and causing
> a
> > segmentation fault.
> >
> > Fixes: 4c99481 ("app/test: add ZUC")
> > Cc: pablo.de.lara.guarch at intel.com
> > Cc: stable at dpdk.org
> >
> > Signed-off-by: Ciara Power <ciara.power at intel.com>
> 
> Acked-by: Pablo de Lara <pablo.de.lara.guarch at intel.com>
Applied to dpdk-next-crypto

Changed subject
test/crypto: fix null check for ZUC authentication op