This patch fixes the division by 0, which occurs if the number of routes is less than 10. Can be triggered by passing -n argument with value < 10: ./dpdk-test-fib -- -n 9 ... Floating point exception (core dumped) Fixes: 103809d032cd ("app/test-fib: add test application for FIB") Cc: stable@dpdk.org Signed-off-by: Vladimir Medvedkin <vladimir.medvedkin@intel.com> Acked-by: Kevin Traynor <ktraynor@redhat.com>