linux-kernel - Re: [PATCH v5 10/21] modpost: rename find_elf_symbol() and find_elf

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Date:   Wed, 17 May 2023 14:14:39 -0700
From:   Nick Desaulniers <ndesaulniers@...gle.com>
To:     Masahiro Yamada <masahiroy@...nel.org>
Cc:     linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org,
        Nathan Chancellor <nathan@...nel.org>,
        Nicolas Pitre <npitre@...libre.com>,
        Nicolas Schier <nicolas@...sle.eu>
Subject: Re: [PATCH v5 10/21] modpost: rename find_elf_symbol() and find_elf_symbol2()

On Sun, May 14, 2023 at 8:28 AM Masahiro Yamada <masahiroy@...nel.org> wrote:
>
> find_elf_symbol() and find_elf_symbol2() are not good names.
>
> Rename them to find_tosym(), find_fromsym(), respectively.

The comments maybe could be updated, too. The end of the comment looks
wrong for both.

Thanks for the patch!
Reviewed-by: Nick Desaulniers <ndesaulniers@...gle.com>

>
> Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>
> ---
>
> Changes in v5:
>   - Change the names
>
>  scripts/mod/modpost.c | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
> index 3b7b78e69137..0d2c2aff2c03 100644
> --- a/scripts/mod/modpost.c
> +++ b/scripts/mod/modpost.c
> @@ -1124,8 +1124,8 @@ static inline int is_valid_name(struct elf_info *elf, Elf_Sym *sym)
>   * In other cases the symbol needs to be looked up in the symbol table
>   * based on section and address.
>   *  **/
> -static Elf_Sym *find_elf_symbol(struct elf_info *elf, Elf64_Sword addr,
> -                               Elf_Sym *relsym)
> +static Elf_Sym *find_tosym(struct elf_info *elf, Elf64_Sword addr,
> +                          Elf_Sym *relsym)
>  {
>         Elf_Sym *sym;
>         Elf_Sym *near = NULL;
> @@ -1168,8 +1168,8 @@ static Elf_Sym *find_elf_symbol(struct elf_info *elf, Elf64_Sword addr,
>   * The ELF format may have a better way to detect what type of symbol
>   * it is, but this works for now.
>   **/
> -static Elf_Sym *find_elf_symbol2(struct elf_info *elf, Elf_Addr addr,
> -                                unsigned int secndx)
> +static Elf_Sym *find_fromsym(struct elf_info *elf, Elf_Addr addr,
> +                            unsigned int secndx)
>  {
>         Elf_Sym *sym;
>         Elf_Sym *near = NULL;
> @@ -1207,10 +1207,10 @@ static void default_mismatch_handler(const char *modname, struct elf_info *elf,
>         const char *tosym;
>         const char *fromsym;
>
> -       from = find_elf_symbol2(elf, r->r_offset, fsecndx);
> +       from = find_fromsym(elf, r->r_offset, fsecndx);
>         fromsym = sym_name(elf, from);
>
> -       to = find_elf_symbol(elf, r->r_addend, sym);
> +       to = find_tosym(elf, r->r_addend, sym);
>         tosym = sym_name(elf, to);
>
>         /* check whitelist - we may ignore it */
> --
> 2.39.2
>


-- 
Thanks,
~Nick Desaulniers