diff --git a/contrib/vhost-user-input/main.c b/contrib/vhost-user-input/main.c index 54f882602a..8b4e7d2536 100644 --- a/contrib/vhost-user-input/main.c +++ b/contrib/vhost-user-input/main.c @@ -342,7 +342,11 @@ main(int argc, char *argv[]) vi.config = g_array_new(false, false, sizeof(virtio_input_config)); memset(&id, 0, sizeof(id)); - ioctl(vi.evdevfd, EVIOCGNAME(sizeof(id.u.string) - 1), id.u.string); + if (ioctl(vi.evdevfd, EVIOCGNAME(sizeof(id.u.string) - 1), + id.u.string) < 0) { + g_printerr("Failed to get evdev name: %s\n", g_strerror(errno)); + exit(EXIT_FAILURE); + } id.select = VIRTIO_INPUT_CFG_ID_NAME; id.size = strlen(id.u.string); g_array_append_val(vi.config, id);