On 2022-11-17, Manuel Traut wrote:
> during testing on the imx6 colibri board i recognized
> that the prompt value of extlinux.conf is ignored.
>
> The attached patch fixes the problem.

Could you spell this out in a little more detail exactly what is
missing? Maybe cut-and-paste what it looks like with and without the
patch applied?

I'm also curious why this is noticed with the imx6 colibri board and
presumably not other boards... I have definitely used the
pxeboot/extlinux functionality with many other boards (maybe I'm not
using this specific functionality in this code path, though).


> Can it be added to debian or shall I try to submit
> it upstream first?

Submitting something like this upstream is always a good idea. Feel free
to CC me. I suspect upstream will want more verbosity in the error
description too...

Depending on how that goes, I'll consider applying and/or backporting in
Debian.

Thanks!

live well,
  vagrant

> From: Manuel Traut <manuel.tr...@mt.com>
> Date: Thu, 17 Nov 2022 16:38:47 +0100
> Subject: distro/pxe boot: read prompt value from config
>
> Currently the configuration of prompt in extlinux.conf is
> ignored.
>
> Read it from the file, if not given do not fail.
>
> Signed-off-by: Manuel Traut <manuel.tr...@mt.com>
> ---
>  boot/pxe_utils.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/boot/pxe_utils.c b/boot/pxe_utils.c
> index 8133006..a6c56e0 100644
> --- a/boot/pxe_utils.c
> +++ b/boot/pxe_utils.c
> @@ -1359,7 +1359,10 @@ static int parse_pxefile_top(struct pxe_context *ctx, 
> char *p, unsigned long bas
>                       break;
>  
>               case T_PROMPT:
> -                     eol_or_eof(&p);
> +                     err = parse_integer(&p, &cfg->prompt);
> +                     // Do not fail if prompt configuration is missing
> +            if (err <  0)
> +                         eol_or_eof(&p);
>                       break;
>  
>               case T_EOL:

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