When key length is 0, zmalloc will return NULL pointer
and in that case it should not return NOMEM.
So in this patch, adding a check on key length.
Fixes: 8d1f3a5d751b ("crypto/dpaa2_sec: support crypto operation")
Cc: stable@dpdk.org
Signed-off-by: Gagandeep Singh <g.singh@nxp.com>
Acked-by: Akhil Goyal <akhil.goyal@nxp.com>
9a494a3b90