From mboxrd@z Thu Jan 1 00:00:00 1970 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=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 A18B3C07E99 for ; Sat, 10 Jul 2021 02:42:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8BDC6613BE for ; Sat, 10 Jul 2021 02:42:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235588AbhGJCp3 (ORCPT ); Fri, 9 Jul 2021 22:45:29 -0400 Received: from mail.kernel.org ([198.145.29.99]:33902 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235408AbhGJCns (ORCPT ); Fri, 9 Jul 2021 22:43:48 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 868D561409; Sat, 10 Jul 2021 02:39:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1625884784; bh=+GxOXwBIVChAEIPaJlTqVRD9YIlZFBH0s/v8OF5M8is=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QBRc8JRgMf5yDi2YaVcLlvQFWEgdJ7CTSVImLjzdFS9EiG2Z4eWQ+hQTXGc3BWJf9 k7JJmxZUWvTC38wXxRODnHJm2/Nw53dpYtQ1os6sn26gG5DSacIPGk4mlN1PR825iU R1PI5ACcj7hd4pMcHBp/gKP+xLWpPYg9ojiWfvJz85ZwKdb0Tma8zZWQRU9qCY9ZBD Jyv5jMjhzal4HujEItagPzKudhUHVPNjjSVrBFE+5i685xM9zR+IMQAKIdSTY0H/4b ZYXP6ISLj9dEMpIHdBMtifCbht8ZT+NtNHytwCO08jZseIHzutyoOO4F9T8iftkrLQ aFGvEYaKZqnqg== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Jiajun Cao , Xin Tan , Thierry Reding , Takashi Iwai , Sasha Levin , alsa-devel@alsa-project.org, linux-tegra@vger.kernel.org Subject: [PATCH AUTOSEL 4.4 21/23] ALSA: hda: Add IRQ check for platform_get_irq() Date: Fri, 9 Jul 2021 22:39:10 -0400 Message-Id: <20210710023912.3172972-21-sashal@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210710023912.3172972-1-sashal@kernel.org> References: <20210710023912.3172972-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jiajun Cao [ Upstream commit 8c13212443230d03ff25014514ec0d53498c0912 ] The function hda_tegra_first_init() neglects to check the return value after executing platform_get_irq(). hda_tegra_first_init() should check the return value (if negative error number) for errors so as to not pass a negative value to the devm_request_irq(). Fix it by adding a check for the return value irq_id. Signed-off-by: Jiajun Cao Signed-off-by: Xin Tan Reviewed-by: Thierry Reding Link: https://lore.kernel.org/r/20210622131947.94346-1-jjcao20@fudan.edu.cn Signed-off-by: Takashi Iwai Signed-off-by: Sasha Levin --- sound/pci/hda/hda_tegra.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/sound/pci/hda/hda_tegra.c b/sound/pci/hda/hda_tegra.c index 039fbbb1e53c..89359a962e47 100644 --- a/sound/pci/hda/hda_tegra.c +++ b/sound/pci/hda/hda_tegra.c @@ -363,6 +363,9 @@ static int hda_tegra_first_init(struct azx *chip, struct platform_device *pdev) unsigned short gcap; int irq_id = platform_get_irq(pdev, 0); + if (irq_id < 0) + return irq_id; + err = hda_tegra_init_chip(chip, pdev); if (err) return err; -- 2.30.2