From patchwork Sat Oct 29 08:20:01 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yang Yingliang X-Patchwork-Id: 13024540 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 38945C433FE for ; Sat, 29 Oct 2022 08:22:01 +0000 (UTC) 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 317B7161E; Sat, 29 Oct 2022 10:21:09 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 317B7161E DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1667031719; bh=FN7A8SgxFpQl/3QENYDTZrVjm8bkngqKkXiOzlHwGCc=; h=From:To:Subject:Date:Cc:List-Id:List-Unsubscribe:List-Archive: List-Post:List-Help:List-Subscribe:From; b=EAHfuUTVukpoXChk5WE1vZdsqXXCJNsuQnXDJDumnZGRp25X63Yk2+83Wb79ZWHOz VGesUWUZlP7uhlCgOCluEBcxMcvjWnLMPx5q9Wtcz20Feh8w7TpVs6tbJ2xWz6lQ1B px8oHBcuJF9RsCD5XXeOVLjEJplstd8vfp8Xcog4= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id C5B04F804CB; Sat, 29 Oct 2022 10:21:08 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 5F8B1F804CC; Sat, 29 Oct 2022 10:21:07 +0200 (CEST) Received: from szxga03-in.huawei.com (szxga03-in.huawei.com [45.249.212.189]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id B89ADF80162 for ; Sat, 29 Oct 2022 10:21:04 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz B89ADF80162 Received: from dggpemm500020.china.huawei.com (unknown [172.30.72.55]) by szxga03-in.huawei.com (SkyGuard) with ESMTP id 4Mzsjt2YV4zFqSC; Sat, 29 Oct 2022 16:18:10 +0800 (CST) Received: from dggpemm500007.china.huawei.com (7.185.36.183) by dggpemm500020.china.huawei.com (7.185.36.49) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Sat, 29 Oct 2022 16:20:59 +0800 Received: from huawei.com (10.175.103.91) by dggpemm500007.china.huawei.com (7.185.36.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Sat, 29 Oct 2022 16:20:59 +0800 From: Yang Yingliang To: Subject: [PATCH RESEND] ARM: pxa: pxa2xx-ac97-lib: fix return value check of platform_get_irq() Date: Sat, 29 Oct 2022 16:20:01 +0800 Message-ID: <20221029082001.3207380-1-yangyingliang@huawei.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Originating-IP: [10.175.103.91] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To dggpemm500007.china.huawei.com (7.185.36.183) X-CFilter-Loop: Reflected Cc: arnd@arndb.de, tiwai@suse.com, haojian.zhuang@gmail.com, yangyingliang@huawei.com, robert.jarzmik@free.fr, daniel@zonque.org 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" platform_get_irq() returns negative error number on failure, fix the return value check in pxa2xx_ac97_hw_probe() and assign the error code to 'ret'. Fixes: 2548e6c76ebf ("ARM: pxa: pxa2xx-ac97-lib: use IRQ resource") Signed-off-by: Yang Yingliang --- The previous link: https://lore.kernel.org/lkml/20220425074559.2436002-1-yangyingliang@huawei.com/T/#u --- sound/arm/pxa2xx-ac97-lib.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/sound/arm/pxa2xx-ac97-lib.c b/sound/arm/pxa2xx-ac97-lib.c index e55c0421718b..2ca33fd5a575 100644 --- a/sound/arm/pxa2xx-ac97-lib.c +++ b/sound/arm/pxa2xx-ac97-lib.c @@ -402,8 +402,10 @@ int pxa2xx_ac97_hw_probe(struct platform_device *dev) goto err_clk2; irq = platform_get_irq(dev, 0); - if (!irq) + if (irq < 0) { + ret = irq; goto err_irq; + } ret = request_irq(irq, pxa2xx_ac97_irq, 0, "AC97", NULL); if (ret < 0)