From patchwork Mon Apr 25 07:45:59 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yang Yingliang X-Patchwork-Id: 12825333 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 DADEDC433EF for ; Mon, 25 Apr 2022 07:35:10 +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 74D3F1650; Mon, 25 Apr 2022 09:34:18 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 74D3F1650 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1650872108; bh=P0elyap3jJyv6oeBk7ZYObcjk6RQDNqrN8dqB9D9/HQ=; h=From:To:Subject:Date:Cc:List-Id:List-Unsubscribe:List-Archive: List-Post:List-Help:List-Subscribe:From; b=cl5KWkQRqDv5pF1aNRkXCIwa40JUimlbPloMTNWW9QPI/psVH7MVrCDcauHsLCuML o9jAvXhTTY+9m4ErSW6gVsSBLS3nqzZ6/bOkiupkX/w4o0Dc5XmZSF/QsTGx9OqgEN mBzQAAtfe9/TPCJs8XP7M4T1W+rCItqMJLmQzh6k= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id EB5CCF80152; Mon, 25 Apr 2022 09:34:17 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id B2485F8016A; Mon, 25 Apr 2022 09:34:15 +0200 (CEST) Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id C4DF6F8014B for ; Mon, 25 Apr 2022 09:34:11 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz C4DF6F8014B Received: from dggpemm500024.china.huawei.com (unknown [172.30.72.57]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4KmxZL2yNhzfb7r; Mon, 25 Apr 2022 15:33:14 +0800 (CST) Received: from dggpemm500007.china.huawei.com (7.185.36.183) by dggpemm500024.china.huawei.com (7.185.36.203) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Mon, 25 Apr 2022 15:33:55 +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 15.1.2375.24; Mon, 25 Apr 2022 15:33:54 +0800 From: Yang Yingliang To: , , Subject: [PATCH -next] ARM: pxa: pxa2xx-ac97-lib: fix return value check of platform_get_irq() Date: Mon, 25 Apr 2022 15:45:59 +0800 Message-ID: <20220425074559.2436002-1-yangyingliang@huawei.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Originating-IP: [10.175.103.91] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To dggpemm500007.china.huawei.com (7.185.36.183) X-CFilter-Loop: Reflected Cc: robert.jarzmik@free.fr, arnd@arndb.de 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") Reported-by: Hulk Robot Signed-off-by: Yang Yingliang --- 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)