From patchwork Fri Nov 11 13:10:16 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Amitkumar Karwar X-Patchwork-Id: 9423019 X-Patchwork-Delegate: kvalo@adurom.com 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 56333601C0 for ; Fri, 11 Nov 2016 13:12:02 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4920C29876 for ; Fri, 11 Nov 2016 13:12:02 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3DBF829AA5; Fri, 11 Nov 2016 13:12:02 +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=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham 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 DCAEF29876 for ; Fri, 11 Nov 2016 13:12:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932864AbcKKNL5 (ORCPT ); Fri, 11 Nov 2016 08:11:57 -0500 Received: from mx0b-0016f401.pphosted.com ([67.231.156.173]:44713 "EHLO mx0b-0016f401.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756412AbcKKNLx (ORCPT ); Fri, 11 Nov 2016 08:11:53 -0500 Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.16.0.17/8.16.0.17) with SMTP id uABDA4iv022646; Fri, 11 Nov 2016 05:11:45 -0800 Received: from sc-exch04.marvell.com ([199.233.58.184]) by mx0b-0016f401.pphosted.com with ESMTP id 26ncgr0v8c-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Fri, 11 Nov 2016 05:11:45 -0800 Received: from SC-EXCH03.marvell.com (10.93.176.83) by SC-EXCH04.marvell.com (10.93.176.84) with Microsoft SMTP Server (TLS) id 15.0.1104.5; Fri, 11 Nov 2016 05:11:42 -0800 Received: from maili.marvell.com (10.93.176.43) by SC-EXCH03.marvell.com (10.93.176.83) with Microsoft SMTP Server id 15.0.1104.5 via Frontend Transport; Fri, 11 Nov 2016 05:11:42 -0800 Received: from pe-lt949 (unknown [10.31.130.253]) by maili.marvell.com (Postfix) with ESMTP id 635643F703F; Fri, 11 Nov 2016 05:11:42 -0800 (PST) Received: from pe-lt949 (piotr-probook.localdomain [127.0.0.1]) by pe-lt949 (8.14.4/8.14.4/Debian-4.1ubuntu1) with ESMTP id uABDBSQc004405; Fri, 11 Nov 2016 18:41:28 +0530 Received: (from root@localhost) by pe-lt949 (8.14.4/8.14.4/Submit) id uABDBSA0004404; Fri, 11 Nov 2016 18:41:28 +0530 From: Amitkumar Karwar To: CC: Cathy Luo , Nishant Sarmukadam , , , , Brian Norris , Amitkumar Karwar Subject: [PATCH v3 09/11] mwifiex: sdio: don't check for NULL sdio_func Date: Fri, 11 Nov 2016 18:40:16 +0530 Message-ID: <1478869818-4340-9-git-send-email-akarwar@marvell.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1478869818-4340-1-git-send-email-akarwar@marvell.com> References: <1478869818-4340-1-git-send-email-akarwar@marvell.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2016-11-11_02:, , signatures=0 X-Proofpoint-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 impostorscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1609300000 definitions=main-1611110236 Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Brian Norris sdio_func is retrieved via container_of() and should never be NULL. Checking for NULL just makes the logic more confusing than necessary. Stop doing that. Signed-off-by: Brian Norris Tested-by: Xinming Hu Signed-off-by: Amitkumar Karwar --- v3: Same as v1 and v2 --- drivers/net/wireless/marvell/mwifiex/sdio.c | 40 +++++++++++------------------ 1 file changed, 15 insertions(+), 25 deletions(-) diff --git a/drivers/net/wireless/marvell/mwifiex/sdio.c b/drivers/net/wireless/marvell/mwifiex/sdio.c index 4c4b012..bee7326 100644 --- a/drivers/net/wireless/marvell/mwifiex/sdio.c +++ b/drivers/net/wireless/marvell/mwifiex/sdio.c @@ -190,15 +190,10 @@ static int mwifiex_sdio_resume(struct device *dev) struct mwifiex_adapter *adapter; mmc_pm_flag_t pm_flag = 0; - if (func) { - pm_flag = sdio_get_host_pm_caps(func); - card = sdio_get_drvdata(func); - if (!card || !card->adapter) { - pr_err("resume: invalid card or adapter\n"); - return 0; - } - } else { - pr_err("resume: sdio_func is not specified\n"); + pm_flag = sdio_get_host_pm_caps(func); + card = sdio_get_drvdata(func); + if (!card || !card->adapter) { + dev_err(dev, "resume: invalid card or adapter\n"); return 0; } @@ -274,23 +269,18 @@ static int mwifiex_sdio_suspend(struct device *dev) mmc_pm_flag_t pm_flag = 0; int ret = 0; - if (func) { - pm_flag = sdio_get_host_pm_caps(func); - pr_debug("cmd: %s: suspend: PM flag = 0x%x\n", - sdio_func_id(func), pm_flag); - if (!(pm_flag & MMC_PM_KEEP_POWER)) { - pr_err("%s: cannot remain alive while host is" - " suspended\n", sdio_func_id(func)); - return -ENOSYS; - } + pm_flag = sdio_get_host_pm_caps(func); + pr_debug("cmd: %s: suspend: PM flag = 0x%x\n", + sdio_func_id(func), pm_flag); + if (!(pm_flag & MMC_PM_KEEP_POWER)) { + dev_err(dev, "%s: cannot remain alive while host is" + " suspended\n", sdio_func_id(func)); + return -ENOSYS; + } - card = sdio_get_drvdata(func); - if (!card) { - dev_err(dev, "suspend: invalid card\n"); - return 0; - } - } else { - pr_err("suspend: sdio_func is not specified\n"); + card = sdio_get_drvdata(func); + if (!card) { + dev_err(dev, "suspend: invalid card\n"); return 0; }