From patchwork Tue Aug 1 13:52:53 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jinjie Ruan X-Patchwork-Id: 709907 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 83004C00528 for ; Tue, 1 Aug 2023 13:53:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234007AbjHANxi (ORCPT ); Tue, 1 Aug 2023 09:53:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52130 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233899AbjHANxh (ORCPT ); Tue, 1 Aug 2023 09:53:37 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B860FC3; Tue, 1 Aug 2023 06:53:35 -0700 (PDT) Received: from kwepemi500008.china.huawei.com (unknown [172.30.72.53]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4RFc3P6Xp0zVjf2; Tue, 1 Aug 2023 21:51:45 +0800 (CST) Received: from huawei.com (10.90.53.73) by kwepemi500008.china.huawei.com (7.221.188.139) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.27; Tue, 1 Aug 2023 21:53:28 +0800 From: Ruan Jinjie To: , , , , , CC: Subject: [PATCH -next] media: tegra_cec: fix the return value handle for platform_get_irq() Date: Tue, 1 Aug 2023 21:52:53 +0800 Message-ID: <20230801135253.456322-1-ruanjinjie@huawei.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Originating-IP: [10.90.53.73] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To kwepemi500008.china.huawei.com (7.221.188.139) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org There is no possible for platform_get_irq() to return 0, and the return value of platform_get_irq() is more sensible to show the error reason. Signed-off-by: Ruan Jinjie Acked-by: Thierry Reding --- drivers/media/cec/platform/tegra/tegra_cec.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/media/cec/platform/tegra/tegra_cec.c b/drivers/media/cec/platform/tegra/tegra_cec.c index 04dc06e3c42a..79811f2c1951 100644 --- a/drivers/media/cec/platform/tegra/tegra_cec.c +++ b/drivers/media/cec/platform/tegra/tegra_cec.c @@ -348,8 +348,8 @@ static int tegra_cec_probe(struct platform_device *pdev) cec->tegra_cec_irq = platform_get_irq(pdev, 0); - if (cec->tegra_cec_irq <= 0) - return -EBUSY; + if (cec->tegra_cec_irq < 0) + return cec->tegra_cec_irq; cec->cec_base = devm_ioremap(&pdev->dev, res->start, resource_size(res));