From patchwork Fri Jan 17 02:41:49 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wei Yongjun X-Patchwork-Id: 11338233 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 05D7113B4 for ; Fri, 17 Jan 2020 02:47:33 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 1BF1220730 for ; Fri, 17 Jan 2020 02:47:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="ud6uaBs0" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1BF1220730 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@alsa-project.org Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id E46AE17D6; Fri, 17 Jan 2020 03:46:42 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz E46AE17D6 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1579229250; bh=NWAbii4d2sHI/hYLGMMd8/7jpGZW3bBObGefaer1Dhk=; h=From:To:Date:Cc:Subject:List-Id:List-Unsubscribe:List-Archive: List-Post:List-Help:List-Subscribe:From; b=ud6uaBs0Xfzbh0hN8u1jnSoChcUKh9qUIBrpWwGDyjUJLHvhmUmMrYHeffPbF8m16 toT/kdT7asL4/qmpnvFBwONdzV/65iTmtomZsTg/d1bGeqZ7SnhnG470Cfjl35OSU9 j/ywE4bauUGPgsZpAskJMV6Y1uugyZClhF5fiz0g= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id EDF39F8014B; Fri, 17 Jan 2020 03:46:41 +0100 (CET) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa1.perex.cz (Postfix, from userid 50401) id 2954FF801EB; Fri, 17 Jan 2020 03:46:39 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on alsa1.perex.cz X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=SPF_HELO_PASS,SPF_PASS, SURBL_BLOCKED,URIBL_BLOCKED autolearn=disabled version=3.4.0 Received: from huawei.com (szxga07-in.huawei.com [45.249.212.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 2219AF80086 for ; Fri, 17 Jan 2020 03:46:34 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 2219AF80086 Received: from DGGEMS411-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id BFB68DD483A01EE48DB4; Fri, 17 Jan 2020 10:46:29 +0800 (CST) Received: from localhost.localdomain.localdomain (10.175.113.25) by DGGEMS411-HUB.china.huawei.com (10.3.19.211) with Microsoft SMTP Server id 14.3.439.0; Fri, 17 Jan 2020 10:46:22 +0800 From: Wei Yongjun To: Bard Liao , Oder Chiou , Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai , Jack Yu Date: Fri, 17 Jan 2020 02:41:49 +0000 Message-ID: <20200117024149.75515-1-weiyongjun1@huawei.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-Originating-IP: [10.175.113.25] X-CFilter-Loop: Reflected Cc: kernel-janitors@vger.kernel.org, alsa-devel@alsa-project.org, Wei Yongjun , linux-kernel@vger.kernel.org Subject: [alsa-devel] [PATCH -next] ASoC: rt715: fix return value check in rt715_sdw_probe() X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 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" In case of error, the function devm_regmap_init() returns ERR_PTR() and never returns NULL. The NULL test in the return value check should be replaced with IS_ERR(). Fixes: d1ede0641b05 ("ASoC: rt715: add RT715 codec driver") Signed-off-by: Wei Yongjun --- sound/soc/codecs/rt715-sdw.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sound/soc/codecs/rt715-sdw.c b/sound/soc/codecs/rt715-sdw.c index 18868e4ae6e8..6d892c44c522 100644 --- a/sound/soc/codecs/rt715-sdw.c +++ b/sound/soc/codecs/rt715-sdw.c @@ -535,8 +535,8 @@ static int rt715_sdw_probe(struct sdw_slave *slave, regmap = devm_regmap_init(&slave->dev, NULL, &slave->dev, &rt715_regmap); - if (!regmap) - return -EINVAL; + if (IS_ERR(regmap)) + return PTR_ERR(regmap); rt715_init(&slave->dev, sdw_regmap, regmap, slave);