On 2023-07-14 09:36, FUKAUMI Naoki wrote:
> From: Manuel Traut <manuel.tr...@mt.com>
> 
> Since 739e8361f3fe78038251216df6096a32bc2d5839, a system with the following
> /boot/extlinux/extlinux.conf (which sets timeout to 50) immediately boots the
> first entry in the config without displaying a boot menu.  According to the
> description, that should only happen if both prompt and timeout are set to 
> zero
> in the config, but it also happens with timeout set to a non-zero value.
> 
> Reported-by: Karsten Merker <mer...@debian.org>
> Signed-off-by: Manuel Traut <manuel.tr...@mt.com>
> ---
>  common/menu.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/common/menu.c b/common/menu.c
> index 8fe00965c0..8eabcccc87 100644
> --- a/common/menu.c
> +++ b/common/menu.c
> @@ -277,6 +277,9 @@ int menu_get_choice(struct menu *m, void **choice)
>       if (!m->item_cnt)
>               return -ENOENT;
>  
> +     if (m->timeout)
> +             return menu_interactive_choice(m, choice);

This should not be needed, if the user wants to prompt the menu there is
the PROMPT keyword that can be used in extlinux.conf, e.g.:

  PROMPT 1
  TIMEOUT 50

See https://wiki.archlinux.org/title/Syslinux#Boot_prompt

That should set pxe cfg->prompt = 1 and that in turn menu m->prompt = 1.

Regards,
Jonas

> +
>       if (!m->prompt)
>               return menu_default_choice(m, choice);
>  

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