From patchwork Sun May 20 06:50:35 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wolfram Sang X-Patchwork-Id: 10413181 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 67342602A0 for ; Sun, 20 May 2018 06:52:08 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 59AFF28434 for ; Sun, 20 May 2018 06:52:08 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4DF6B286FE; Sun, 20 May 2018 06:52:08 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00, MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 166D928434 for ; Sun, 20 May 2018 06:52:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752595AbeETGvy (ORCPT ); Sun, 20 May 2018 02:51:54 -0400 Received: from sauhun.de ([88.99.104.3]:41518 "EHLO pokefinder.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751021AbeETGuo (ORCPT ); Sun, 20 May 2018 02:50:44 -0400 Received: from localhost (p54B33698.dip0.t-ipconnect.de [84.179.54.152]) by pokefinder.org (Postfix) with ESMTPSA id D7269374E22; Sun, 20 May 2018 08:50:42 +0200 (CEST) From: Wolfram Sang To: linux-i2c@vger.kernel.org Cc: Peter Rosin , Wolfram Sang , Mauro Carvalho Chehab , linux-media@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 4/7] media: em28xx: don't check number of messages in the driver Date: Sun, 20 May 2018 08:50:35 +0200 Message-Id: <20180520065039.7989-5-wsa@the-dreams.de> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20180520065039.7989-1-wsa@the-dreams.de> References: <20180520065039.7989-1-wsa@the-dreams.de> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Since commit 1eace8344c02 ("i2c: add param sanity check to i2c_transfer()"), the I2C core does this check now. We can remove it from drivers. Signed-off-by: Wolfram Sang --- Only build tested. drivers/media/usb/em28xx/em28xx-i2c.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/drivers/media/usb/em28xx/em28xx-i2c.c b/drivers/media/usb/em28xx/em28xx-i2c.c index 6458682bc6e2..e19d6342e0d0 100644 --- a/drivers/media/usb/em28xx/em28xx-i2c.c +++ b/drivers/media/usb/em28xx/em28xx-i2c.c @@ -559,10 +559,6 @@ static int em28xx_i2c_xfer(struct i2c_adapter *i2c_adap, dev->cur_i2c_bus = bus; } - if (num <= 0) { - rt_mutex_unlock(&dev->i2c_bus_lock); - return 0; - } for (i = 0; i < num; i++) { addr = msgs[i].addr << 1; if (!msgs[i].len) {