From patchwork Wed Aug 26 12:28:08 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vinod Koul X-Patchwork-Id: 251276 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.0 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 97700C433DF for ; Wed, 26 Aug 2020 12:29:29 +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 209802080C for ; Wed, 26 Aug 2020 12:29:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="mBgKdM+J"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="skoJy6gP" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 209802080C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org 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 9E67F1710; Wed, 26 Aug 2020 14:28:37 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 9E67F1710 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1598444967; bh=94vf/goBzfoC5nm9rDlXYfi2mPg0KiLVJ1zsM82yLYE=; h=From:To:Subject:Date:Cc:List-Id:List-Unsubscribe:List-Archive: List-Post:List-Help:List-Subscribe:From; b=mBgKdM+JcZJWX+o1VT/qPmP2nBD4xupWGqlh9F4IxlhnHhRvdyAHu6tDqN4FvGDTu ANvbfoRYrnvan+MnzDhKjEMuEOtjuhIfnyiHQ/M3rw9oSPXJhVLqU0N4j4lwqcR6pR YKy2bI5tBGMCC2KcAVlWR615f/nm5pXK4Hqmxv5Q= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 3B6E9F801F2; Wed, 26 Aug 2020 14:28:37 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 24AA8F801D9; Wed, 26 Aug 2020 14:28:33 +0200 (CEST) Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id A518EF80143 for ; Wed, 26 Aug 2020 14:28:25 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz A518EF80143 Authentication-Results: alsa1.perex.cz; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="skoJy6gP" Received: from localhost.localdomain (unknown [122.171.38.130]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 222042080C; Wed, 26 Aug 2020 12:28:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598444903; bh=94vf/goBzfoC5nm9rDlXYfi2mPg0KiLVJ1zsM82yLYE=; h=From:To:Cc:Subject:Date:From; b=skoJy6gPAskSS9qnDxXxdhst6jKjvkpOu2bECZju2/2wNKRzkdhCbAtKV6Zt9Jy2K f+cXA/NK1p/XX5uNDNegefnQZn8jm7mG2L9l8i8NtLVHfetMxbME5pNI5W8S6Mm3HQ CzGr4x6AtST8oRwp9z27pQSDvnbI1sOkbQNamw48= From: Vinod Koul To: Mark Brown Subject: [PATCH 1/4] ASoC: max98373: Fix return check for devm_regmap_init_sdw() Date: Wed, 26 Aug 2020 17:58:08 +0530 Message-Id: <20200826122811.3223663-1-vkoul@kernel.org> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 Cc: alsa-devel@alsa-project.org, Ryan Lee , Kai Vehmanen , Takashi Iwai , linux-kernel@vger.kernel.org, Takashi Iwai , Pierre-Louis Bossart , Vinod Koul , Naveen Manohar , Rander Wang 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" devm_regmap_init_sdw() returns a valid pointer on success or ERR_PTR on failure which should be checked with IS_ERR. Also use PTR_ERR for returning error codes. Reported-by: Takashi Iwai Fixes: 56a5b7910e96 ("ASoC: codecs: max98373: add SoundWire support") Signed-off-by: Vinod Koul --- sound/soc/codecs/max98373-sdw.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sound/soc/codecs/max98373-sdw.c b/sound/soc/codecs/max98373-sdw.c index 5fe724728e84..e4675cfff7b2 100644 --- a/sound/soc/codecs/max98373-sdw.c +++ b/sound/soc/codecs/max98373-sdw.c @@ -838,8 +838,8 @@ static int max98373_sdw_probe(struct sdw_slave *slave, /* Regmap Initialization */ regmap = devm_regmap_init_sdw(slave, &max98373_sdw_regmap); - if (!regmap) - return -EINVAL; + if (IS_ERR(regmap)) + return PTR_ERR(regmap); return max98373_init(slave, regmap); }