tools/virtio: virtio_test -h,--help should return directly

When we get help information, we should return directly, and we should not
execute test cases. Move the exit() directly into the help() function and
remove it from case '?'.

Signed-off-by: Rong Tao <rongtao@cestc.cn>
Message-Id: <tencent_822CEBEB925205EA1573541CD1C2604F4805@qq.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Rong Tao 2023-03-09 16:42:50 +08:00 committed by Michael S. Tsirkin
parent 9b2b3de63c
commit 6b27cd84a7

View File

@ -327,7 +327,7 @@ const struct option longopts[] = {
}
};
static void help(void)
static void help(int status)
{
fprintf(stderr, "Usage: virtio_test [--help]"
" [--no-indirect]"
@ -337,6 +337,8 @@ static void help(void)
" [--batch=random/N]"
" [--reset=N]"
"\n");
exit(status);
}
int main(int argc, char **argv)
@ -354,14 +356,12 @@ int main(int argc, char **argv)
case -1:
goto done;
case '?':
help();
exit(2);
help(2);
case 'e':
features &= ~(1ULL << VIRTIO_RING_F_EVENT_IDX);
break;
case 'h':
help();
goto done;
help(0);
case 'i':
features &= ~(1ULL << VIRTIO_RING_F_INDIRECT_DESC);
break;