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[2620:137:e000::1:20]) by mx.google.com with ESMTP id e22-20020a17090658d600b006f3ee17bf97si5699848ejs.602.2022.05.27.05.08.10; Fri, 27 May 2022 05:08:37 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@nifty.com header.s=dec2015msa header.b=znLsEVbJ; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245425AbiEZKtj (ORCPT + 99 others); Thu, 26 May 2022 06:49:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57974 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242925AbiEZKtd (ORCPT ); Thu, 26 May 2022 06:49:33 -0400 Received: from conssluserg-02.nifty.com (conssluserg-02.nifty.com [210.131.2.81]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9A4BBCEB89; Thu, 26 May 2022 03:49:31 -0700 (PDT) Received: from mail-pf1-f179.google.com (mail-pf1-f179.google.com [209.85.210.179]) (authenticated) by conssluserg-02.nifty.com with ESMTP id 24QAnCk2027021; Thu, 26 May 2022 19:49:12 +0900 DKIM-Filter: OpenDKIM Filter v2.10.3 conssluserg-02.nifty.com 24QAnCk2027021 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nifty.com; s=dec2015msa; t=1653562152; bh=7GCJo6V20e403uG9LgMoxWpt4sneMUh4irGbz+bZduM=; h=References:In-Reply-To:From:Date:Subject:To:Cc:From; b=znLsEVbJDtf9zQZyWdQMTWyAhsvbAZOkPyEcjyEaMIirmRO3btT+dbZDacS1opEe3 dLoz4bQUbdJ8ygZK7IGX7dTT28/QTdn4GyQVnAAmvq5GZGMXgdba5XaniJKNV0w39l ZxqKjJLVYLnkQlbFNFlQ1cK5x1nUyxdRZVSxPLRMPltallGeFDZnjN/iZNaAdhw+tN dipHx0mCqtFcCOBdkEMf5sCcTLw3S2EEKZ0N+dHDiN2DPWJGeuu/x5LSFU33lL+ndB ilBeE5eONBmdaPycUZoDz34nArL+M/yYU9fXC2CsOAJD6IOTWmrkXQ0IL3bPzN7VeQ oKgWPq5r/Gtug== X-Nifty-SrcIP: [209.85.210.179] Received: by mail-pf1-f179.google.com with SMTP id c14so1404628pfn.2; Thu, 26 May 2022 03:49:12 -0700 (PDT) X-Gm-Message-State: AOAM533ExZppQ6HEtyCRpV6tPP2858ci80pz5MrR8qPnCfpvzDHPBgyW A3W79gsTeP+OJk39uXOvu4S6QLQXsY7BoPYSzxg= X-Received: by 2002:a63:fc5e:0:b0:3db:5804:f3b with SMTP id r30-20020a63fc5e000000b003db58040f3bmr32764129pgk.126.1653562151529; Thu, 26 May 2022 03:49:11 -0700 (PDT) MIME-Version: 1.0 References: <20220523164626.858340-1-masahiroy@kernel.org> <20220523164626.858340-2-masahiroy@kernel.org> In-Reply-To: From: Masahiro Yamada Date: Thu, 26 May 2022 19:47:49 +0900 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH 2/5] modpost: remove the unused argument of check_sec_ref() To: Nick Desaulniers Cc: Linux Kbuild mailing list , Linux Kernel Mailing List , Michal Marek Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Spam-Status: No, score=-1.2 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_SOFTFAIL, T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, May 25, 2022 at 5:44 AM Nick Desaulniers wrote: > > On Mon, May 23, 2022 at 9:48 AM Masahiro Yamada wr= ote: > > > > check_sec_ref() does not use the first parameter 'mod'. > > > > Signed-off-by: Masahiro Yamada > > Perhaps we could enable some -W flags for scripts/mod/? > Reviewed-by: Nick Desaulniers > > > --- Thanks for your advice. -Wunused-parameter found more. At least, we can clean up find_extable_entry_size(). HOSTCC scripts/mod/mk_elfconfig scripts/mod/mk_elfconfig.c: In function =E2=80=98main=E2=80=99: scripts/mod/mk_elfconfig.c:8:10: warning: unused parameter =E2=80=98argc=E2= =80=99 [-Wunused-parameter] 8 | main(int argc, char **argv) | ~~~~^~~~ scripts/mod/mk_elfconfig.c:8:23: warning: unused parameter =E2=80=98argv=E2= =80=99 [-Wunused-parameter] 8 | main(int argc, char **argv) | ~~~~~~~^~~~ CC scripts/mod/empty.o MKELF scripts/mod/elfconfig.h HOSTCC scripts/mod/modpost.o scripts/mod/modpost.c: In function =E2=80=98find_extable_entry_size=E2=80= =99: scripts/mod/modpost.c:1538:55: warning: unused parameter =E2=80=98sec=E2=80= =99 [-Wunused-parameter] 1538 | static void find_extable_entry_size(const char* const sec, const Elf_Rela* r) | ~~~~~~~~~~~~~~~~~~^~~ scripts/mod/modpost.c: In function =E2=80=98check_sec_ref=E2=80=99: scripts/mod/modpost.c:1885:42: warning: unused parameter =E2=80=98mod=E2=80= =99 [-Wunused-parameter] 1885 | static void check_sec_ref(struct module *mod, const char *modname, | ~~~~~~~~~~~~~~~^~~ CC scripts/mod/devicetable-offsets.s HOSTCC scripts/mod/file2alias.o scripts/mod/file2alias.c: In function =E2=80=98do_hid_entry=E2=80=99: scripts/mod/file2alias.c:399:37: warning: unused parameter =E2=80=98filenam= e=E2=80=99 [-Wunused-parameter] 399 | static int do_hid_entry(const char *filename, | ~~~~~~~~~~~~^~~~~~~~ scripts/mod/file2alias.c: In function =E2=80=98do_ieee1394_entry=E2=80=99: scripts/mod/file2alias.c:417:42: warning: unused parameter =E2=80=98filenam= e=E2=80=99 [-Wunused-parameter] 417 | static int do_ieee1394_entry(const char *filename, | ~~~~~~~~~~~~^~~~~~~~ scripts/mod/file2alias.c: In function =E2=80=98do_ccw_entry=E2=80=99: scripts/mod/file2alias.c:497:37: warning: unused parameter =E2=80=98filenam= e=E2=80=99 [-Wunused-parameter] 497 | static int do_ccw_entry(const char *filename, | ~~~~~~~~~~~~^~~~~~~~ scripts/mod/file2alias.c: In function =E2=80=98do_ap_entry=E2=80=99: scripts/mod/file2alias.c:520:36: warning: unused parameter =E2=80=98filenam= e=E2=80=99 [-Wunused-parameter] 520 | static int do_ap_entry(const char *filename, | ~~~~~~~~~~~~^~~~~~~~ scripts/mod/file2alias.c: In function =E2=80=98do_css_entry=E2=80=99: scripts/mod/file2alias.c:530:37: warning: unused parameter =E2=80=98filenam= e=E2=80=99 [-Wunused-parameter] 530 | static int do_css_entry(const char *filename, | ~~~~~~~~~~~~^~~~~~~~ scripts/mod/file2alias.c: In function =E2=80=98do_serio_entry=E2=80=99: scripts/mod/file2alias.c:540:39: warning: unused parameter =E2=80=98filenam= e=E2=80=99 [-Wunused-parameter] 540 | static int do_serio_entry(const char *filename, | ~~~~~~~~~~~~^~~~~~~~ scripts/mod/file2alias.c: In function =E2=80=98do_acpi_entry=E2=80=99: scripts/mod/file2alias.c:565:38: warning: unused parameter =E2=80=98filenam= e=E2=80=99 [-Wunused-parameter] 565 | static int do_acpi_entry(const char *filename, | ~~~~~~~~~~~~^~~~~~~~ scripts/mod/file2alias.c: In function =E2=80=98do_pcmcia_entry=E2=80=99: scripts/mod/file2alias.c:682:40: warning: unused parameter =E2=80=98filenam= e=E2=80=99 [-Wunused-parameter] 682 | static int do_pcmcia_entry(const char *filename, | ~~~~~~~~~~~~^~~~~~~~ scripts/mod/file2alias.c: In function =E2=80=98do_vio_entry=E2=80=99: scripts/mod/file2alias.c:718:37: warning: unused parameter =E2=80=98filenam= e=E2=80=99 [-Wunused-parameter] 718 | static int do_vio_entry(const char *filename, void *symval, | ~~~~~~~~~~~~^~~~~~~~ scripts/mod/file2alias.c: In function =E2=80=98do_input_entry=E2=80=99: scripts/mod/file2alias.c:752:39: warning: unused parameter =E2=80=98filenam= e=E2=80=99 [-Wunused-parameter] 752 | static int do_input_entry(const char *filename, void *symval, | ~~~~~~~~~~~~^~~~~~~~ scripts/mod/file2alias.c: In function =E2=80=98do_eisa_entry=E2=80=99: scripts/mod/file2alias.c:809:38: warning: unused parameter =E2=80=98filenam= e=E2=80=99 [-Wunused-parameter] 809 | static int do_eisa_entry(const char *filename, void *symval, | ~~~~~~~~~~~~^~~~~~~~ scripts/mod/file2alias.c: In function =E2=80=98do_parisc_entry=E2=80=99: scripts/mod/file2alias.c:821:40: warning: unused parameter =E2=80=98filenam= e=E2=80=99 [-Wunused-parameter] 821 | static int do_parisc_entry(const char *filename, void *symval, | ~~~~~~~~~~~~^~~~~~~~ scripts/mod/file2alias.c: In function =E2=80=98do_sdio_entry=E2=80=99: scripts/mod/file2alias.c:840:38: warning: unused parameter =E2=80=98filenam= e=E2=80=99 [-Wunused-parameter] 840 | static int do_sdio_entry(const char *filename, | ~~~~~~~~~~~~^~~~~~~~ scripts/mod/file2alias.c: In function =E2=80=98do_ssb_entry=E2=80=99: scripts/mod/file2alias.c:856:37: warning: unused parameter =E2=80=98filenam= e=E2=80=99 [-Wunused-parameter] 856 | static int do_ssb_entry(const char *filename, | ~~~~~~~~~~~~^~~~~~~~ scripts/mod/file2alias.c: In function =E2=80=98do_bcma_entry=E2=80=99: scripts/mod/file2alias.c:872:38: warning: unused parameter =E2=80=98filenam= e=E2=80=99 [-Wunused-parameter] 872 | static int do_bcma_entry(const char *filename, | ~~~~~~~~~~~~^~~~~~~~ scripts/mod/file2alias.c: In function =E2=80=98do_virtio_entry=E2=80=99: scripts/mod/file2alias.c:890:40: warning: unused parameter =E2=80=98filenam= e=E2=80=99 [-Wunused-parameter] 890 | static int do_virtio_entry(const char *filename, void *symval, | ~~~~~~~~~~~~^~~~~~~~ scripts/mod/file2alias.c: In function =E2=80=98do_vmbus_entry=E2=80=99: scripts/mod/file2alias.c:910:39: warning: unused parameter =E2=80=98filenam= e=E2=80=99 [-Wunused-parameter] 910 | static int do_vmbus_entry(const char *filename, void *symval, | ~~~~~~~~~~~~^~~~~~~~ scripts/mod/file2alias.c: In function =E2=80=98do_rpmsg_entry=E2=80=99: scripts/mod/file2alias.c:927:39: warning: unused parameter =E2=80=98filenam= e=E2=80=99 [-Wunused-parameter] 927 | static int do_rpmsg_entry(const char *filename, void *symval, | ~~~~~~~~~~~~^~~~~~~~ scripts/mod/file2alias.c: In function =E2=80=98do_i2c_entry=E2=80=99: scripts/mod/file2alias.c:937:37: warning: unused parameter =E2=80=98filenam= e=E2=80=99 [-Wunused-parameter] 937 | static int do_i2c_entry(const char *filename, void *symval, | ~~~~~~~~~~~~^~~~~~~~ scripts/mod/file2alias.c: In function =E2=80=98do_i3c_entry=E2=80=99: scripts/mod/file2alias.c:946:37: warning: unused parameter =E2=80=98filenam= e=E2=80=99 [-Wunused-parameter] 946 | static int do_i3c_entry(const char *filename, void *symval, | ~~~~~~~~~~~~^~~~~~~~ scripts/mod/file2alias.c: In function =E2=80=98do_spi_entry=E2=80=99: scripts/mod/file2alias.c:965:37: warning: unused parameter =E2=80=98filenam= e=E2=80=99 [-Wunused-parameter] 965 | static int do_spi_entry(const char *filename, void *symval, | ~~~~~~~~~~~~^~~~~~~~ scripts/mod/file2alias.c: In function =E2=80=98do_dmi_entry=E2=80=99: scripts/mod/file2alias.c:1006:37: warning: unused parameter =E2=80=98filena= me=E2=80=99 [-Wunused-parameter] 1006 | static int do_dmi_entry(const char *filename, void *symval, | ~~~~~~~~~~~~^~~~~~~~ scripts/mod/file2alias.c: In function =E2=80=98do_platform_entry=E2=80=99: scripts/mod/file2alias.c:1030:42: warning: unused parameter =E2=80=98filena= me=E2=80=99 [-Wunused-parameter] 1030 | static int do_platform_entry(const char *filename, | ~~~~~~~~~~~~^~~~~~~~ scripts/mod/file2alias.c: In function =E2=80=98do_mdio_entry=E2=80=99: scripts/mod/file2alias.c:1038:38: warning: unused parameter =E2=80=98filena= me=E2=80=99 [-Wunused-parameter] 1038 | static int do_mdio_entry(const char *filename, | ~~~~~~~~~~~~^~~~~~~~ scripts/mod/file2alias.c: In function =E2=80=98do_zorro_entry=E2=80=99: scripts/mod/file2alias.c:1063:39: warning: unused parameter =E2=80=98filena= me=E2=80=99 [-Wunused-parameter] 1063 | static int do_zorro_entry(const char *filename, void *symval, | ~~~~~~~~~~~~^~~~~~~~ scripts/mod/file2alias.c: In function =E2=80=98do_isapnp_entry=E2=80=99: scripts/mod/file2alias.c:1073:40: warning: unused parameter =E2=80=98filena= me=E2=80=99 [-Wunused-parameter] 1073 | static int do_isapnp_entry(const char *filename, | ~~~~~~~~~~~~^~~~~~~~ scripts/mod/file2alias.c: In function =E2=80=98do_ipack_entry=E2=80=99: scripts/mod/file2alias.c:1088:39: warning: unused parameter =E2=80=98filena= me=E2=80=99 [-Wunused-parameter] 1088 | static int do_ipack_entry(const char *filename, | ~~~~~~~~~~~~^~~~~~~~ scripts/mod/file2alias.c: In function =E2=80=98do_mips_cdmm_entry=E2=80=99: scripts/mod/file2alias.c:1178:43: warning: unused parameter =E2=80=98filena= me=E2=80=99 [-Wunused-parameter] 1178 | static int do_mips_cdmm_entry(const char *filename, | ~~~~~~~~~~~~^~~~~~~~ scripts/mod/file2alias.c: In function =E2=80=98do_x86cpu_entry=E2=80=99: scripts/mod/file2alias.c:1193:40: warning: unused parameter =E2=80=98filena= me=E2=80=99 [-Wunused-parameter] 1193 | static int do_x86cpu_entry(const char *filename, void *symval, | ~~~~~~~~~~~~^~~~~~~~ scripts/mod/file2alias.c: In function =E2=80=98do_cpu_entry=E2=80=99: scripts/mod/file2alias.c:1212:37: warning: unused parameter =E2=80=98filena= me=E2=80=99 [-Wunused-parameter] 1212 | static int do_cpu_entry(const char *filename, void *symval, char *a= lias) | ~~~~~~~~~~~~^~~~~~~~ scripts/mod/file2alias.c: In function =E2=80=98do_mei_entry=E2=80=99: scripts/mod/file2alias.c:1221:37: warning: unused parameter =E2=80=98filena= me=E2=80=99 [-Wunused-parameter] 1221 | static int do_mei_entry(const char *filename, void *symval, | ~~~~~~~~~~~~^~~~~~~~ scripts/mod/file2alias.c: In function =E2=80=98do_rio_entry=E2=80=99: scripts/mod/file2alias.c:1239:37: warning: unused parameter =E2=80=98filena= me=E2=80=99 [-Wunused-parameter] 1239 | static int do_rio_entry(const char *filename, | ~~~~~~~~~~~~^~~~~~~~ scripts/mod/file2alias.c: In function =E2=80=98do_ulpi_entry=E2=80=99: scripts/mod/file2alias.c:1258:38: warning: unused parameter =E2=80=98filena= me=E2=80=99 [-Wunused-parameter] 1258 | static int do_ulpi_entry(const char *filename, void *symval, | ~~~~~~~~~~~~^~~~~~~~ scripts/mod/file2alias.c: In function =E2=80=98do_hda_entry=E2=80=99: scripts/mod/file2alias.c:1270:37: warning: unused parameter =E2=80=98filena= me=E2=80=99 [-Wunused-parameter] 1270 | static int do_hda_entry(const char *filename, void *symval, char *a= lias) | ~~~~~~~~~~~~^~~~~~~~ scripts/mod/file2alias.c: In function =E2=80=98do_sdw_entry=E2=80=99: scripts/mod/file2alias.c:1286:37: warning: unused parameter =E2=80=98filena= me=E2=80=99 [-Wunused-parameter] 1286 | static int do_sdw_entry(const char *filename, void *symval, char *a= lias) | ~~~~~~~~~~~~^~~~~~~~ scripts/mod/file2alias.c: In function =E2=80=98do_fsl_mc_entry=E2=80=99: scripts/mod/file2alias.c:1304:40: warning: unused parameter =E2=80=98filena= me=E2=80=99 [-Wunused-parameter] 1304 | static int do_fsl_mc_entry(const char *filename, void *symval, | ~~~~~~~~~~~~^~~~~~~~ scripts/mod/file2alias.c: In function =E2=80=98do_tbsvc_entry=E2=80=99: scripts/mod/file2alias.c:1315:39: warning: unused parameter =E2=80=98filena= me=E2=80=99 [-Wunused-parameter] 1315 | static int do_tbsvc_entry(const char *filename, void *symval, char *alias) | ~~~~~~~~~~~~^~~~~~~~ scripts/mod/file2alias.c: In function =E2=80=98do_typec_entry=E2=80=99: scripts/mod/file2alias.c:1339:39: warning: unused parameter =E2=80=98filena= me=E2=80=99 [-Wunused-parameter] 1339 | static int do_typec_entry(const char *filename, void *symval, char *alias) | ~~~~~~~~~~~~^~~~~~~~ scripts/mod/file2alias.c: In function =E2=80=98do_tee_entry=E2=80=99: scripts/mod/file2alias.c:1351:37: warning: unused parameter =E2=80=98filena= me=E2=80=99 [-Wunused-parameter] 1351 | static int do_tee_entry(const char *filename, void *symval, char *a= lias) | ~~~~~~~~~~~~^~~~~~~~ scripts/mod/file2alias.c: In function =E2=80=98do_mhi_entry=E2=80=99: scripts/mod/file2alias.c:1387:37: warning: unused parameter =E2=80=98filena= me=E2=80=99 [-Wunused-parameter] 1387 | static int do_mhi_entry(const char *filename, void *symval, char *a= lias) | ~~~~~~~~~~~~^~~~~~~~ scripts/mod/file2alias.c: In function =E2=80=98do_ishtp_entry=E2=80=99: scripts/mod/file2alias.c:1395:39: warning: unused parameter =E2=80=98filena= me=E2=80=99 [-Wunused-parameter] 1395 | static int do_ishtp_entry(const char *filename, void *symval, char *alias) | ~~~~~~~~~~~~^~~~~~~~ scripts/mod/file2alias.c: In function =E2=80=98do_auxiliary_entry=E2=80=99: scripts/mod/file2alias.c:1406:43: warning: unused parameter =E2=80=98filena= me=E2=80=99 [-Wunused-parameter] 1406 | static int do_auxiliary_entry(const char *filename, void *symval, char *alias) | ~~~~~~~~~~~~^~~~~~~~ scripts/mod/file2alias.c: In function =E2=80=98do_ssam_entry=E2=80=99: scripts/mod/file2alias.c:1419:38: warning: unused parameter =E2=80=98filena= me=E2=80=99 [-Wunused-parameter] 1419 | static int do_ssam_entry(const char *filename, void *symval, char *alias) | ~~~~~~~~~~~~^~~~~~~~ scripts/mod/file2alias.c: In function =E2=80=98do_dfl_entry=E2=80=99: scripts/mod/file2alias.c:1437:37: warning: unused parameter =E2=80=98filena= me=E2=80=99 [-Wunused-parameter] 1437 | static int do_dfl_entry(const char *filename, void *symval, char *a= lias) | ~~~~~~~~~~~~^~~~~~~~ > > > > scripts/mod/modpost.c | 5 ++--- > > 1 file changed, 2 insertions(+), 3 deletions(-) > > > > diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c > > index 845bc438ca49..843c64eebe8b 100644 > > --- a/scripts/mod/modpost.c > > +++ b/scripts/mod/modpost.c > > @@ -1883,8 +1883,7 @@ static void section_rel(const char *modname, stru= ct elf_info *elf, > > * to find all references to a section that reference a section that w= ill > > * be discarded and warns about it. > > **/ > > -static void check_sec_ref(struct module *mod, const char *modname, > > - struct elf_info *elf) > > +static void check_sec_ref(const char *modname, struct elf_info *elf) > > { > > int i; > > Elf_Shdr *sechdrs =3D elf->sechdrs; > > @@ -2069,7 +2068,7 @@ static void read_symbols(const char *modname) > > sym_get_data(&info, sym)); > > } > > > > - check_sec_ref(mod, modname, &info); > > + check_sec_ref(modname, &info); > > > > if (!mod->is_vmlinux) { > > version =3D get_modinfo(&info, "version"); > > -- > > 2.32.0 > > > > > -- > Thanks, > ~Nick Desaulniers --=20 Best Regards Masahiro Yamada