Re: [PATCH 1/3] libkmod: Prefer builtin index over builtin.alias

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On Fri, Feb 11, 2022 at 4:28 AM Alexey Gladkov <gladkov.alexey@xxxxxxxxx> wrote:
>
> On Fri, Feb 11, 2022 at 12:42:28AM -0800, Lucas De Marchi wrote:
> > The modules.builtin.alias.bin is way larger than the
> > modules.builtin.bin.  On a normal "distro kernel":
> >
> >       21k modules.builtin.alias.bin
> >       11k modules.builtin.bin
> >
> > >From the kernel we get both modules.builtin and modules.builtin.modinfo.
> > depmod generates modules.builtin.bin and modules.builtin.alias.bin
> > from them respectively. modules.bultin is not going away: it's not
> > deprecated by the new index added. So, let's just stop duplicating the
> > information inside modules.builtin.alias.bin and just use the other
> > index.
> > ---
> >  libkmod/libkmod-module.c | 11 ++++++-----
> >  1 file changed, 6 insertions(+), 5 deletions(-)
> >
> > diff --git a/libkmod/libkmod-module.c b/libkmod/libkmod-module.c
> > index 6f7747c..40d394a 100644
> > --- a/libkmod/libkmod-module.c
> > +++ b/libkmod/libkmod-module.c
> > @@ -576,13 +576,14 @@ KMOD_EXPORT int kmod_module_new_from_lookup(struct kmod_ctx *ctx,
> >       err = kmod_lookup_alias_from_aliases_file(ctx, alias, list);
> >       CHECK_ERR_AND_FINISH(err, fail, list, finish);
> >
> > +     DBG(ctx, "lookup modules.builtin %s\n", alias);
> > +     err = kmod_lookup_alias_from_builtin_file(ctx, alias, list);
> > +
>
> assigning to the err variable looks useless. It will be overwritten
> anyway.
>


we were supposed to have a CHECK_ERR_AND_FINISH(err, fail, list, finish);
here.

thanks
Lucas De Marchi



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