From patchwork Sat Sep 24 12:20:50 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Leizhen (ThunderTown)" X-Patchwork-Id: 12987613 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1C781C07E9D for ; Sat, 24 Sep 2022 12:23:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233903AbiIXMXa (ORCPT ); Sat, 24 Sep 2022 08:23:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55254 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233861AbiIXMXA (ORCPT ); Sat, 24 Sep 2022 08:23:00 -0400 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9C010E2346; Sat, 24 Sep 2022 05:22:57 -0700 (PDT) Received: from dggpemm500022.china.huawei.com (unknown [172.30.72.57]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4MZSl74zgFzpVJh; Sat, 24 Sep 2022 20:20:03 +0800 (CST) Received: from dggpemm500006.china.huawei.com (7.185.36.236) by dggpemm500022.china.huawei.com (7.185.36.162) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Sat, 24 Sep 2022 20:22:55 +0800 Received: from thunder-town.china.huawei.com (10.174.178.55) by dggpemm500006.china.huawei.com (7.185.36.236) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Sat, 24 Sep 2022 20:22:54 +0800 From: Zhen Lei To: Josh Poimboeuf , Jiri Kosina , Miroslav Benes , Petr Mladek , Joe Lawrence , , , Masahiro Yamada , Alexei Starovoitov , Jiri Olsa , Kees Cook , Andrew Morton , "Luis Chamberlain" , , "Steven Rostedt" , Ingo Molnar CC: Zhen Lei Subject: [PATCH v6 10/11] kallsyms: Delete an unused parameter related to kallsyms_on_each_symbol() Date: Sat, 24 Sep 2022 20:20:50 +0800 Message-ID: <20220924122051.362-11-thunder.leizhen@huawei.com> X-Mailer: git-send-email 2.26.0.windows.1 In-Reply-To: <20220924122051.362-1-thunder.leizhen@huawei.com> References: <20220924122051.362-1-thunder.leizhen@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.174.178.55] X-ClientProxiedBy: dggems703-chm.china.huawei.com (10.3.19.180) To dggpemm500006.china.huawei.com (7.185.36.236) X-CFilter-Loop: Reflected Precedence: bulk List-ID: The parameter 'struct module *' in the hook function associated with kallsyms_on_each_symbol() is no longer used. Delete it. Suggested-by: Petr Mladek Signed-off-by: Zhen Lei --- include/linux/kallsyms.h | 3 +-- kernel/kallsyms.c | 5 ++--- kernel/trace/ftrace.c | 3 +-- 3 files changed, 4 insertions(+), 7 deletions(-) diff --git a/include/linux/kallsyms.h b/include/linux/kallsyms.h index 2138219ae0296e9..015c7685765978e 100644 --- a/include/linux/kallsyms.h +++ b/include/linux/kallsyms.h @@ -66,8 +66,7 @@ static inline void *dereference_symbol_descriptor(void *ptr) } #ifdef CONFIG_KALLSYMS -int kallsyms_on_each_symbol(int (*fn)(void *, const char *, struct module *, - unsigned long), +int kallsyms_on_each_symbol(int (*fn)(void *, const char *, unsigned long), void *data); int kallsyms_on_each_match_symbol(int (*fn)(void *, unsigned long), const char *name, void *data); diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c index 309bee76d7f5ac0..8e7e83842bcfdd3 100644 --- a/kernel/kallsyms.c +++ b/kernel/kallsyms.c @@ -362,8 +362,7 @@ unsigned long kallsyms_lookup_name(const char *name) * Iterate over all symbols in vmlinux. For symbols from modules use * module_kallsyms_on_each_symbol instead. */ -int kallsyms_on_each_symbol(int (*fn)(void *, const char *, struct module *, - unsigned long), +int kallsyms_on_each_symbol(int (*fn)(void *, const char *, unsigned long), void *data) { char namebuf[KSYM_NAME_LEN]; @@ -373,7 +372,7 @@ int kallsyms_on_each_symbol(int (*fn)(void *, const char *, struct module *, for (i = 0, off = 0; i < kallsyms_num_syms; i++) { off = kallsyms_expand_symbol(off, namebuf, ARRAY_SIZE(namebuf)); - ret = fn(data, namebuf, NULL, kallsyms_sym_address(i)); + ret = fn(data, namebuf, kallsyms_sym_address(i)); if (ret != 0) return ret; cond_resched(); diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 439e2ab6905ee1e..f135a0a334a3fcb 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -8250,8 +8250,7 @@ struct kallsyms_data { size_t found; }; -static int kallsyms_callback(void *data, const char *name, - struct module *mod, unsigned long addr) +static int kallsyms_callback(void *data, const char *name, unsigned long addr) { struct kallsyms_data *args = data; const char **sym;