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app/fib: fix division by zero

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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: 103809d032 ("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>
This commit is contained in:
Vladimir Medvedkin 2022-01-27 18:08:53 +00:00 committed by David Marchand
parent 5f69ebbd85
commit a01070dac9
1 changed files with 8 additions and 0 deletions
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8
app/test-fib/main.c
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@ -711,6 +711,10 @@ parse_opts(int argc, char **argv)
print_usage(); print_usage();
rte_exit(-EINVAL, "Invalid option -n\n"); rte_exit(-EINVAL, "Invalid option -n\n");
} }
if (config.nb_routes < config.print_fract)
config.print_fract = config.nb_routes;
break; break;
case 'd': case 'd':
distrib_string = optarg; distrib_string = optarg;
@ -1242,6 +1246,10 @@ main(int argc, char **argv)
config.nb_routes = 0; config.nb_routes = 0;
while (fgets(line, sizeof(line), fr) != NULL) while (fgets(line, sizeof(line), fr) != NULL)
config.nb_routes++; config.nb_routes++;
if (config.nb_routes < config.print_fract)
config.print_fract = config.nb_routes;
rewind(fr); rewind(fr);
} }