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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,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 2E621C432C3 for ; Tue, 19 Nov 2019 06:04:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E9873206DA for ; Tue, 19 Nov 2019 06:04:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574143483; bh=UI1J+tDPK+dDqNQkuwW+1DwMI88CGJiKXEB/ID8jN98=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=hyI8KUYoeZj8UwntSLgWTo7n68So3hmd4NY/0lVDIds3CeViI2AZ+SyvOuyUvN0Nb Rdqur4u3XcLVpak7alMFrlDVV/MWVM/mY6a1Zo+/1qlTR2xPXK58kI2bm/EKbnEAW1 3lN5Syf06mvJqS+gvI3VlL55/4Posj6VTE4duEr0= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729681AbfKSFht (ORCPT ); Tue, 19 Nov 2019 00:37:49 -0500 Received: from mail.kernel.org ([198.145.29.99]:59660 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729673AbfKSFhq (ORCPT ); Tue, 19 Nov 2019 00:37:46 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id F1D22206EC; Tue, 19 Nov 2019 05:37:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574141865; bh=UI1J+tDPK+dDqNQkuwW+1DwMI88CGJiKXEB/ID8jN98=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=X1trF26yzpdlINHSiqygi6TLN4r4sVT/FMvAfKRhVBVw4JTclE2VJd7jsMKGFuIX/ rxO7rBSXvnqhk0s/c3qGi8ewWQuSakMWKeJAIX43YqAxPBz8PoCJ95yPXL8+S/D6YG bqeIvEFm4hvNJL2lGfvgkmzlWq1ttt6p0YB3U0DI= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Stefan Agner , Ard Biesheuvel , Herbert Xu , Sasha Levin Subject: [PATCH 4.19 306/422] crypto: arm/crc32 - avoid warning when compiling with Clang Date: Tue, 19 Nov 2019 06:18:23 +0100 Message-Id: <20191119051418.829007409@linuxfoundation.org> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191119051400.261610025@linuxfoundation.org> References: <20191119051400.261610025@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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