From patchwork Mon May 7 01:39:45 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wei Yongjun X-Patchwork-Id: 10383129 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 716A960353 for ; Mon, 7 May 2018 01:32:05 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 46E8128A7C for ; Mon, 7 May 2018 01:32:05 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3889628A81; Mon, 7 May 2018 01:32:05 +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=-2.9 required=2.0 tests=BAYES_00, MAILING_LIST_MULTI, RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D53D128A7C for ; Mon, 7 May 2018 01:32:02 +0000 (UTC) Received: from alsa0.perex.cz (localhost [127.0.0.1]) by alsa0.perex.cz (Postfix) with ESMTP id 65ADA267623; Mon, 7 May 2018 03:32:00 +0200 (CEST) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa0.perex.cz (Postfix, from userid 1000) id 808D0267625; Mon, 7 May 2018 03:31:58 +0200 (CEST) Received: from huawei.com (szxga05-in.huawei.com [45.249.212.191]) by alsa0.perex.cz (Postfix) with ESMTP id 1BDDB267338 for ; Mon, 7 May 2018 03:31:55 +0200 (CEST) Received: from DGGEMS407-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id 40CFC849D01C0; Mon, 7 May 2018 09:31:41 +0800 (CST) Received: from localhost.localdomain.localdomain (10.175.113.25) by DGGEMS407-HUB.china.huawei.com (10.3.19.207) with Microsoft SMTP Server id 14.3.361.1; Mon, 7 May 2018 09:31:34 +0800 From: Wei Yongjun To: Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai , "Matthias Brugger" , Kai Chieh Chuang Date: Mon, 7 May 2018 01:39:45 +0000 Message-ID: <1525657185-73163-1-git-send-email-weiyongjun1@huawei.com> X-Mailer: git-send-email 1.8.3.1 MIME-Version: 1.0 X-Originating-IP: [10.175.113.25] X-CFilter-Loop: Reflected Cc: alsa-devel@alsa-project.org, kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, Wei Yongjun , linux-arm-kernel@lists.infradead.org Subject: [alsa-devel] [PATCH -next] ASoC: fix return value check in mt6351_codec_driver_probe() X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org X-Virus-Scanned: ClamAV using ClamSMTP In case of error, the function dev_get_regmap() returns NULL pointer not ERR_PTR(). The IS_ERR() test in the return value check should be replaced with NULL test. Signed-off-by: Wei Yongjun --- sound/soc/codecs/mt6351.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sound/soc/codecs/mt6351.c b/sound/soc/codecs/mt6351.c index e739f07..f73dcd7 100644 --- a/sound/soc/codecs/mt6351.c +++ b/sound/soc/codecs/mt6351.c @@ -1472,8 +1472,8 @@ static int mt6351_codec_driver_probe(struct platform_device *pdev) priv->dev = &pdev->dev; priv->regmap = dev_get_regmap(pdev->dev.parent, NULL); - if (IS_ERR(priv->regmap)) - return PTR_ERR(priv->regmap); + if (!priv->regmap) + return -ENODEV; dev_dbg(priv->dev, "%s(), dev name %s\n", __func__, dev_name(&pdev->dev));