Hi,

On Tue, Sep 8, 2026 at 10:46 AM Masami Hiramatsu <[email protected]> wrote:
>
> On Sat,  5 Sep 2026 23:16:36 +0900
> Sang-Heon Jeon <[email protected]> wrote:
>
> > xbc_verify_tree() checks that every node's next and child are below
> > xbc_node_num. Both fields store the index of an existing node, which
> > is below xbc_node_num.
>
> This is a kind of foolpoof/defensive checking. (so I call it verify.)
>
> >
> > So remove the checks.
> >
> > No functional change.
>
> Hmm, OK, I think we should decouple the logic/implementation
> verification from runtime verification (e.g. wrong format)
> and move the former to tools/bootconfig.
>
> Thank you,

Thanks for the review, Masami.

To make sure I understand, you mean moving the foolproof check after
xbc_init() in tools/bootconfig?

> >
> > Signed-off-by: Sang-Heon Jeon <[email protected]>
> > ---
> >  lib/bootconfig.c | 13 +------------
> >  1 file changed, 1 insertion(+), 12 deletions(-)
> >
> > diff --git a/lib/bootconfig.c b/lib/bootconfig.c
> > index 89c88e359179..d383430637ee 100644
> > --- a/lib/bootconfig.c
> > +++ b/lib/bootconfig.c
> > @@ -1005,7 +1005,7 @@ static int __init xbc_close_brace(char **k, char *n)
> >
> >  static int __init xbc_verify_tree(void)
> >  {
> > -     int i, depth;
> > +     int depth;
> >       size_t len, wlen;
> >       struct xbc_node *n, *m;
> >
> > @@ -1022,17 +1022,6 @@ static int __init xbc_verify_tree(void)
> >               return -ENOENT;
> >       }
> >
> > -     for (i = 0; i < xbc_node_num; i++) {
> > -             if (xbc_nodes[i].next >= xbc_node_num) {
> > -                     return xbc_parse_error("No closing brace",
> > -                             xbc_node_get_data(xbc_nodes + i));
> > -             }
> > -             if (xbc_nodes[i].child >= xbc_node_num) {
> > -                     return xbc_parse_error("Broken child node",
> > -                             xbc_node_get_data(xbc_nodes + i));
> > -             }
> > -     }
> > -
> >       /* Key tree limitation check */
> >       n = &xbc_nodes[0];
> >       depth = 1;
> > --
> > 2.43.0
> >
>
>
> --
> Masami Hiramatsu (Google) <[email protected]>

Best regards,
Sang-Heon Jeon

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