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=-6.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 1DDD6C04AAC for ; Mon, 20 May 2019 12:23:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E524C21707 for ; Mon, 20 May 2019 12:23:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1558354984; bh=zfS+tafhgl+KxH3yuXDCnV/5oruOSkTddix6yyBhaWk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=N34d6o+y8aO/njKewLLUte+Jl7yn9D9GHz+4naRFWUSBlI/4fWyMmBz7/iAX/4d5r 2a83r4F0fZC1ZD+zJELgkOJ9BHeyEortQT5x9ZFVnW9Vh8wr3yU5DCh4A1fGtYOv9D DvdxtNjIhC9kde6daBkshmZ33A85sqV3A/EU5YKY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388515AbfETMXC (ORCPT ); Mon, 20 May 2019 08:23:02 -0400 Received: from mail.kernel.org ([198.145.29.99]:37064 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387767AbfETMWx (ORCPT ); Mon, 20 May 2019 08:22:53 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 3EF9E214AE; Mon, 20 May 2019 12:22:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1558354972; bh=zfS+tafhgl+KxH3yuXDCnV/5oruOSkTddix6yyBhaWk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JP1SmMXwHoNpwRWSKTup2tZVaWgb+TeAdXsXmeDUkMz85MpL2/BJ5i2I+Byj7bxb/ 4bC/rZiGBAVIlSQ9i7UhsGXK63yizDVGR56vVhT2lzN/IQBjfswdUlabvlH0v1nNoi Wo2cHoSnEf/iPxDlABsaW1093BoanHQcXVuvmiYw= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, "Gustavo A. R. Silva" , Hans de Goede , Sebastian Reichel Subject: [PATCH 4.19 010/105] power: supply: axp288_charger: Fix unchecked return value Date: Mon, 20 May 2019 14:13:16 +0200 Message-Id: <20190520115247.763133797@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190520115247.060821231@linuxfoundation.org> References: <20190520115247.060821231@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Gustavo A. R. Silva commit c3422ad5f84a66739ec6a37251ca27638c85b6be upstream. Currently there is no check on platform_get_irq() return value in case it fails, hence never actually reporting any errors and causing unexpected behavior when using such value as argument for function regmap_irq_get_virq(). Fix this by adding a proper check, a message reporting any errors and returning *pirq* Addresses-Coverity-ID: 1443940 ("Improper use of negative value") Fixes: 843735b788a4 ("power: axp288_charger: axp288 charger driver") Cc: stable@vger.kernel.org Signed-off-by: Gustavo A. R. Silva Reviewed-by: Hans de Goede Signed-off-by: Sebastian Reichel Signed-off-by: Greg Kroah-Hartman --- drivers/power/supply/axp288_charger.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/drivers/power/supply/axp288_charger.c +++ b/drivers/power/supply/axp288_charger.c @@ -832,6 +832,10 @@ static int axp288_charger_probe(struct p /* Register charger interrupts */ for (i = 0; i < CHRG_INTR_END; i++) { pirq = platform_get_irq(info->pdev, i); + if (pirq < 0) { + dev_err(&pdev->dev, "Failed to get IRQ: %d\n", pirq); + return pirq; + } info->irq[i] = regmap_irq_get_virq(info->regmap_irqc, pirq); if (info->irq[i] < 0) { dev_warn(&info->pdev->dev,