diff options
Diffstat (limited to 'tools/net/ynl/samples/netdev.c')
| -rw-r--r-- | tools/net/ynl/samples/netdev.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/tools/net/ynl/samples/netdev.c b/tools/net/ynl/samples/netdev.c index 591b90e21890..22609d44c89a 100644 --- a/tools/net/ynl/samples/netdev.c +++ b/tools/net/ynl/samples/netdev.c @@ -79,7 +79,10 @@ int main(int argc, char **argv) goto err_close; printf("Select ifc ($ifindex; or 0 = dump; or -2 ntf check): "); - scanf("%d", &ifindex); + if (scanf("%d", &ifindex) != 1) { + fprintf(stderr, "Error: unable to parse input\n"); + goto err_destroy; + } if (ifindex > 0) { struct netdev_dev_get_req *req; @@ -100,6 +103,8 @@ int main(int argc, char **argv) if (!devs) goto err_close; + if (ynl_dump_empty(devs)) + fprintf(stderr, "Error: no devices reported\n"); ynl_dump_foreach(devs, d) netdev_print_device(d, 0); netdev_dev_get_list_free(devs); @@ -117,6 +122,7 @@ int main(int argc, char **argv) err_close: fprintf(stderr, "YNL: %s\n", ys->err.msg); +err_destroy: ynl_sock_destroy(ys); return 2; } |