net/softnic: fix unchecked return value
net/softnic: fix unchecked return value

Fix unchecked return value issue reported by Coverity.

Coverity issue: 336852
Fixes: a958a5c07f4b ("net/softnic: support service cores")
Cc: stable@dpdk.org

Signed-off-by: Jasvinder Singh <97b766ecf460b59e2781d4fc0469065206870f5c@intel.com>
Acked-by: Rami Rosen <d906574dd7f018d5d95e7b7a8107cdf708745f05@gmail.com>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk