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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 733D7C433B4 for ; Wed, 5 May 2021 19:06:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 38A7E61168 for ; Wed, 5 May 2021 19:06:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234437AbhEETHS (ORCPT ); Wed, 5 May 2021 15:07:18 -0400 Received: from youngberry.canonical.com ([91.189.89.112]:35647 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231422AbhEETHR (ORCPT ); Wed, 5 May 2021 15:07:17 -0400 Received: from 1.general.cking.uk.vpn ([10.172.193.212] helo=localhost) by youngberry.canonical.com with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.93) (envelope-from ) id 1leMqg-0008J6-S8; Wed, 05 May 2021 19:06:18 +0000 From: Colin King To: Mauro Carvalho Chehab , Sean Young , linux-media@vger.kernel.org Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] media: mxl692: make a const array static, makes object smaller Date: Wed, 5 May 2021 20:06:18 +0100 Message-Id: <20210505190618.70367-1-colin.king@canonical.com> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: kernel-janitors@vger.kernel.org From: Colin Ian King Don't populate the const array fw_hdr on the stack but instead it static. Makes the object code smaller by 5 bytes: Before: text data bss dec hex filename 31948 12072 64 44084 ac34 drivers/media/dvb-frontends/mxl692.o After: text data bss dec hex filename 31879 12136 64 44079 ac2f drivers/media/dvb-frontends/mxl692.o (gcc version 10.3.0) Signed-off-by: Colin Ian King --- drivers/media/dvb-frontends/mxl692.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/media/dvb-frontends/mxl692.c b/drivers/media/dvb-frontends/mxl692.c index 83030643aba7..a246db683cdf 100644 --- a/drivers/media/dvb-frontends/mxl692.c +++ b/drivers/media/dvb-frontends/mxl692.c @@ -224,7 +224,9 @@ static int mxl692_validate_fw_header(struct mxl692_dev *dev, u32 ix, temp; __be32 *local_buf = NULL; u8 temp_cksum = 0; - const u8 fw_hdr[] = { 0x4D, 0x31, 0x10, 0x02, 0x40, 0x00, 0x00, 0x80 }; + static const u8 fw_hdr[] = { + 0x4D, 0x31, 0x10, 0x02, 0x40, 0x00, 0x00, 0x80 + }; if (memcmp(buffer, fw_hdr, 8) != 0) { status = -EINVAL; -- 2.30.2