When data length passed to the PMD was zero,
the PMD was trying to get more data from a non-existent
next segment.
Fixes: 9c2a5775c028 ("crypto/aesni_gcm: migrate from MB library to ISA-L")
Cc: stable@dpdk.org
Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
Reviewed-by: Kirill Rybalchenko <kirill.rybalchenko@intel.com>
41d2437f7c