From patchwork Sat Sep 9 08:36:10 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jinjie Ruan X-Patchwork-Id: 13378016 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 38788EEB57C for ; Sat, 9 Sep 2023 08:36:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244402AbjIIIg0 (ORCPT ); Sat, 9 Sep 2023 04:36:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52522 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236692AbjIIIgZ (ORCPT ); Sat, 9 Sep 2023 04:36:25 -0400 Received: from szxga08-in.huawei.com (szxga08-in.huawei.com [45.249.212.255]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 765A7170C for ; Sat, 9 Sep 2023 01:36:18 -0700 (PDT) Received: from kwepemi500008.china.huawei.com (unknown [172.30.72.57]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4RjR9F02qmz1M96s for ; Sat, 9 Sep 2023 16:34:24 +0800 (CST) Received: from huawei.com (10.90.53.73) by kwepemi500008.china.huawei.com (7.221.188.139) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.31; Sat, 9 Sep 2023 16:36:16 +0800 From: Jinjie Ruan To: CC: Subject: [PATCH -next v4 0/2] media: cx231xx: Switch to use kmemdup() helper and add two macros Date: Sat, 9 Sep 2023 16:36:10 +0800 Message-ID: <20230909083612.1845757-1-ruanjinjie@huawei.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Originating-IP: [10.90.53.73] X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To kwepemi500008.china.huawei.com (7.221.188.139) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Use kmemdup() helper instead of open-coding to simplify the code. On the other hand, as Andrzej suggested, add EP5_BUF_SIZE and EP5_TIMEOUT_MS macros to replace the magic constant 4096 and 2000. changes in v4: - Add Reviewed-by. - Replace the other 4 places with EP5_BUF_SIZE. Changes in v3: - Adjust the second patch to be the first. - Update the names of the macros. Jinjie Ruan (2): media: cx231xx: Switch to use kmemdup() helper media: cx231xx: Add EP5_BUF_SIZE and EP5_TIMEOUT_MS macros drivers/media/usb/cx231xx/cx231xx-417.c | 9 ++++----- drivers/media/usb/cx231xx/cx231xx-core.c | 7 +++---- drivers/media/usb/cx231xx/cx231xx.h | 3 +++ 3 files changed, 10 insertions(+), 9 deletions(-)