From patchwork Thu Aug 27 07:24:19 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 255051 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=-14.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, 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 62ECFC433DF for ; Thu, 27 Aug 2020 07:24:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 343A722BEA for ; Thu, 27 Aug 2020 07:24:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598513085; bh=QuoT6VS26Unir/WzzWse5ajubkYxK3aWXlHrQVEpwWg=; h=From:To:Subject:Date:In-Reply-To:References:List-ID:From; b=ckCe2OBQcVC4iTZ2VfhDMm4CCRuSatMwfd4Mr0iVDHtZYfDwjq0kOD6KpRpF4D564 ZGGUJDZf1AFSrqLCWoKucuHStzh41Jc+VTRa46Fo9ul1oDW1dA4dmmhmucAGIilVND 6Kx+3w8ZuZfMqDWAORfglvdgiKbDMilAfsmg2GtI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728114AbgH0HYe (ORCPT ); Thu, 27 Aug 2020 03:24:34 -0400 Received: from mail.kernel.org ([198.145.29.99]:33090 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728029AbgH0HYb (ORCPT ); Thu, 27 Aug 2020 03:24:31 -0400 Received: from kozik-lap.mshome.net (unknown [194.230.155.216]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 40DFC22BEA; Thu, 27 Aug 2020 07:24:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598513071; bh=QuoT6VS26Unir/WzzWse5ajubkYxK3aWXlHrQVEpwWg=; h=From:To:Subject:Date:In-Reply-To:References:From; b=uWe6Q2kcJfZMrEQSrUvMiFOrHuCPKj4kRMlNSzbn8RE/9nxI333/gqFoYZOrEyJLz PcS3aODX9J3tQoYRo6YBZTDxeTjAGPNovxk+NZWJ/eys1b2n++JLKXrT+8Y3FAcbWN WrBKwv2SaoDk5O/MRuj3V4NX3Yhe/y4v9Of2hxLw= From: Krzysztof Kozlowski To: Dmitry Torokhov , Maxime Ripard , Chen-Yu Tsai , Krzysztof Kozlowski , H Hartley Sweeten , Sebastian Reichel , linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH 3/4] Input: twl4030_keypad - Fix handling of platform_get_irq() error Date: Thu, 27 Aug 2020 09:24:19 +0200 Message-Id: <20200827072420.22848-3-krzk@kernel.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200827072420.22848-1-krzk@kernel.org> References: <20200827072420.22848-1-krzk@kernel.org> Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org platform_get_irq() returns -ERRNO on error. In such case comparison to 0 would pass the check. Fixes: 7abf38d6d13c ("Input: twl4030-keypad - add device tree support") Signed-off-by: Krzysztof Kozlowski --- drivers/input/keyboard/twl4030_keypad.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/input/keyboard/twl4030_keypad.c b/drivers/input/keyboard/twl4030_keypad.c index af3a6824f1a4..c971a06c2c6a 100644 --- a/drivers/input/keyboard/twl4030_keypad.c +++ b/drivers/input/keyboard/twl4030_keypad.c @@ -376,10 +376,8 @@ static int twl4030_kp_probe(struct platform_device *pdev) } kp->irq = platform_get_irq(pdev, 0); - if (!kp->irq) { - dev_err(&pdev->dev, "no keyboard irq assigned\n"); - return -EINVAL; - } + if (kp->irq < 0) + return kp->irq; error = matrix_keypad_build_keymap(keymap_data, NULL, TWL4030_MAX_ROWS,