From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935112AbdKQTeM (ORCPT ); Fri, 17 Nov 2017 14:34:12 -0500 Received: from mail-pf0-f196.google.com ([209.85.192.196]:38125 "EHLO mail-pf0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934165AbdKQTdq (ORCPT ); Fri, 17 Nov 2017 14:33:46 -0500 X-Google-Smtp-Source: AGs4zMYRIE30rpKvDTr6We2i20gB8ajSoh8GbG/dIPXZ5Inm2Q1HlWkmvJiSh2/3KO1fjOhhbkUX+w== From: Arvind Yadav To: lgirdwood@gmail.com, broonie@kernel.org, perex@perex.cz, tiwai@suse.com, matthias.bgg@gmail.com Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: [PATCH 2/5] ASoC: mt8173: Fix platform_get_irq's error checking Date: Sat, 18 Nov 2017 01:03:25 +0530 Message-Id: <1510947208-17134-3-git-send-email-arvind.yadav.cs@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1510947208-17134-1-git-send-email-arvind.yadav.cs@gmail.com> References: <1510947208-17134-1-git-send-email-arvind.yadav.cs@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The platform_get_irq() function returns negative if an error occurs. zero or positive number on success. platform_get_irq() error checking for zero is not correct. Signed-off-by: Arvind Yadav --- sound/soc/mediatek/mt8173/mt8173-afe-pcm.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sound/soc/mediatek/mt8173/mt8173-afe-pcm.c b/sound/soc/mediatek/mt8173/mt8173-afe-pcm.c index 8a643a3..eee27bc 100644 --- a/sound/soc/mediatek/mt8173/mt8173-afe-pcm.c +++ b/sound/soc/mediatek/mt8173/mt8173-afe-pcm.c @@ -1105,9 +1105,9 @@ static int mt8173_afe_pcm_dev_probe(struct platform_device *pdev) afe->dev = &pdev->dev; irq_id = platform_get_irq(pdev, 0); - if (!irq_id) { + if (irq_id < 0) { dev_err(afe->dev, "np %s no irq\n", afe->dev->of_node->name); - return -ENXIO; + return irq_id; } ret = devm_request_irq(afe->dev, irq_id, mt8173_afe_irq_handler, 0, "Afe_ISR_Handle", (void *)afe); -- 2.7.4