From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 616AEC4321D for ; Wed, 22 Aug 2018 11:00:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1EC03214DD for ; Wed, 22 Aug 2018 11:00:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=rasmusvillemoes.dk header.i=@rasmusvillemoes.dk header.b="O9T76Xx5" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1EC03214DD Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=rasmusvillemoes.dk Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728923AbeHVOYo (ORCPT ); Wed, 22 Aug 2018 10:24:44 -0400 Received: from mail-lj1-f169.google.com ([209.85.208.169]:37824 "EHLO mail-lj1-f169.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728602AbeHVOYo (ORCPT ); Wed, 22 Aug 2018 10:24:44 -0400 Received: by mail-lj1-f169.google.com with SMTP id v9-v6so1109609ljk.4 for ; Wed, 22 Aug 2018 04:00:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=rasmusvillemoes.dk; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=rwAmXHn+OcU5IqUJoOuP/J1m7ew5O3BBQGtvvhwIDFE=; b=O9T76Xx5DKbhQU4v0kO3AfC656Ia+Odl9DOSdXw3WTvhsaMt3buGyTcwXe28MNUJ25 xIBGxy3cbup/bJD4/lRTCEas+m4E85DYPDyJoP4J6OQFFS/pgnQPVDFXoUIXVPUEzN1x PF06gZNGlA+/p3DHs+VRiWop0+tTiAxJ/vZZc= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=rwAmXHn+OcU5IqUJoOuP/J1m7ew5O3BBQGtvvhwIDFE=; b=hYoRHrj++dfGd0iWqBrdhzc/nftgs8tMtnd566X98T2C/JVj5FdhTT6dVBR3kyPZ5t 5AcYqJQBXc0It5ZEm7U3L28xMZL1B7k7Au3n+SJCg4hT022lJYw/zU/kudbC9sX751BH OEqHv0IaGnFuB/TgOXghjUSYArvNIjuNn4gO1DdEQfBkj4LKvIIk9KzFIjGWNRDuu0ic uQpyThKSBDwz7DxingFU34CfacoByyI0k/MF0UETEg2bZTrozwWdCsuqNWiJHWCGvaXt DRQMpu0lGStOYmzIVP6JgFfSkCymyx+Oo8CBvX7fHU8gbMAbt1s/4QYSQ37iAf7AEjYu zO8g== X-Gm-Message-State: APzg51Dyk3NOi3hknyCs5kun9yt81/YA5eXM/WLfcoib0UZ4GPgQNMoJ GsHjTQVgVqrApSaiwnYKUsy2aw== X-Google-Smtp-Source: ANB0VdZCLRaFfPPkK9S9rv7fGuEgFkf+UTa6zOVfbRf8pV62GdJvWWlWk38twY5pQud9GmsWSdhSOg== X-Received: by 2002:a2e:8652:: with SMTP id i18-v6mr1848976ljj.43.1534935617742; Wed, 22 Aug 2018 04:00:17 -0700 (PDT) Received: from prevas-ravi.prevas.se ([81.216.59.226]) by smtp.gmail.com with ESMTPSA id y5-v6sm234273ljj.75.2018.08.22.04.00.16 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 22 Aug 2018 04:00:17 -0700 (PDT) From: Rasmus Villemoes To: Andrew Morton Cc: linux-kernel@vger.kernel.org, Kees Cook , Rasmus Villemoes Subject: [PATCH 4/4] kernel/, init/: avoid const-laundering warnings Date: Wed, 22 Aug 2018 13:00:09 +0200 Message-Id: <20180822110009.17583-4-linux@rasmusvillemoes.dk> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20180822110009.17583-1-linux@rasmusvillemoes.dk> References: <20180822110009.17583-1-linux@rasmusvillemoes.dk> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Even though str*() launders the const away for us, we should and do not modify the buffer through the returned pointer, so might as well declare it const. Signed-off-by: Rasmus Villemoes --- init/do_mounts.c | 2 +- kernel/module.c | 2 +- kernel/params.c | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/init/do_mounts.c b/init/do_mounts.c index 2c71dabe5626..6eea8bfc8f82 100644 --- a/init/do_mounts.c +++ b/init/do_mounts.c @@ -122,7 +122,7 @@ static dev_t devt_from_partuuid(const char *uuid_str) struct hd_struct *part; int offset = 0; bool clear_root_wait = false; - char *slash; + const char *slash; cmp.uuid = uuid_str; diff --git a/kernel/module.c b/kernel/module.c index b046a32520d8..8d7ead11a10f 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -4061,7 +4061,7 @@ static unsigned long mod_find_symname(struct module *mod, const char *name) unsigned long module_kallsyms_lookup_name(const char *name) { struct module *mod; - char *colon; + const char *colon; unsigned long ret = 0; /* Don't lock: we're in enough trouble already. */ diff --git a/kernel/params.c b/kernel/params.c index ce89f757e6da..8744aa1e7d8f 100644 --- a/kernel/params.c +++ b/kernel/params.c @@ -816,7 +816,7 @@ static void __init param_sysfs_builtin(void) char modname[MODULE_NAME_LEN]; for (kp = __start___param; kp < __stop___param; kp++) { - char *dot; + const char *dot; if (kp->perm == 0) continue; -- 2.16.4