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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,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 B5B01C17443 for ; Sun, 10 Nov 2019 02:46:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7F88421848 for ; Sun, 10 Nov 2019 02:46:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573354014; bh=UI1J+tDPK+dDqNQkuwW+1DwMI88CGJiKXEB/ID8jN98=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=bdw9ORFHI4Z65lsQvaKIvzCXNJ5oFyxHZCUmdMbn5BekjzkWVzyGG7G0PaDKNzgwb RKilN56h8L+Bb2hJvjo7YqEEgo2a/ful2jwAkBD6SX43v22wJHLSJIa5jxTvi7IrZe dfLOGnnkujQQWXzw7yet3EhwJqf0on0/tCRelgCc= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729185AbfKJCqx (ORCPT ); Sat, 9 Nov 2019 21:46:53 -0500 Received: from mail.kernel.org ([198.145.29.99]:51376 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729151AbfKJCqx (ORCPT ); Sat, 9 Nov 2019 21:46:53 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id A25EE21D82; Sun, 10 Nov 2019 02:46:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573354012; bh=UI1J+tDPK+dDqNQkuwW+1DwMI88CGJiKXEB/ID8jN98=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jz+NMqZSaLR5hrem+7Ms85c46pi4jMQiP5BRidGDR2FGu9RXiYVLQ6pHDKYWCErSn F++khQuZc7v/NmE/4kEeNbx0N3HPdd4OgEZje2sKrSf8oDSjJ5dqO0qjGWW6jAlq0X YosFLqKfGW4jstg0BngLmxcVUwWo+poWaFI52psE= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Stefan Agner , Ard Biesheuvel , Herbert Xu , Sasha Levin , linux-crypto@vger.kernel.org, clang-built-linux@googlegroups.com Subject: [PATCH AUTOSEL 4.14 037/109] crypto: arm/crc32 - avoid warning when compiling with Clang Date: Sat, 9 Nov 2019 21:44:29 -0500 Message-Id: <20191110024541.31567-37-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191110024541.31567-1-sashal@kernel.org> References: <20191110024541.31567-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-crypto-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org From: Stefan Agner [ Upstream commit cd560235d8f9ddd94aa51e1c4dabdf3212b9b241 ] The table id (second) argument to MODULE_DEVICE_TABLE is often referenced otherwise. This is not the case for CPU features. This leads to a warning when building the kernel with Clang: arch/arm/crypto/crc32-ce-glue.c:239:33: warning: variable 'crc32_cpu_feature' is not needed and will not be emitted [-Wunneeded-internal-declaration] static const struct cpu_feature crc32_cpu_feature[] = { ^ Avoid warnings by using __maybe_unused, similar to commit 1f318a8bafcf ("modules: mark __inittest/__exittest as __maybe_unused"). Fixes: 2a9faf8b7e43 ("crypto: arm/crc32 - enable module autoloading based on CPU feature bits") Signed-off-by: Stefan Agner Acked-by: Ard Biesheuvel Signed-off-by: Herbert Xu Signed-off-by: Sasha Levin --- arch/arm/crypto/crc32-ce-glue.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/crypto/crc32-ce-glue.c b/arch/arm/crypto/crc32-ce-glue.c index 96e62ec105d06..cd9e93b46c2dd 100644 --- a/arch/arm/crypto/crc32-ce-glue.c +++ b/arch/arm/crypto/crc32-ce-glue.c @@ -236,7 +236,7 @@ static void __exit crc32_pmull_mod_exit(void) ARRAY_SIZE(crc32_pmull_algs)); } -static const struct cpu_feature crc32_cpu_feature[] = { +static const struct cpu_feature __maybe_unused crc32_cpu_feature[] = { { cpu_feature(CRC32) }, { cpu_feature(PMULL) }, { } }; MODULE_DEVICE_TABLE(cpu, crc32_cpu_feature); -- 2.20.1