From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1947129AbdKRK5N (ORCPT ); Sat, 18 Nov 2017 05:57:13 -0500 Received: from mail-pg0-f65.google.com ([74.125.83.65]:38184 "EHLO mail-pg0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1422816AbdKRKzy (ORCPT ); Sat, 18 Nov 2017 05:55:54 -0500 X-Google-Smtp-Source: AGs4zMb3UKFCykJk8VM5ssfrkWQiVVnj3TXAJACZLZD3gJy4eHSOoge7tG++z/CA22myfvdPOdl61w== From: Arvind Yadav To: dmitry.torokhov@gmail.com, maxime.ripard@free-electrons.com, wens@csie.org, mcuos.com@gmail.com, linux@roeck-us.net, linux@armlinux.org.uk, lee.jones@linaro.org Cc: linux-kernel@vger.kernel.org, linux-input@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH 08/10 v3] Input: twl4030-pwrbutton: Handle return value of platform_get_irq Date: Sat, 18 Nov 2017 16:25:15 +0530 Message-Id: X-Mailer: git-send-email 2.7.4 In-Reply-To: References: In-Reply-To: <76d6a73ba51e1a8a86d8d9a1d0bbbf7723d5153a.1510999334.git.arvind.yadav.cs@gmail.com> References: <76d6a73ba51e1a8a86d8d9a1d0bbbf7723d5153a.1510999334.git.arvind.yadav.cs@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org platform_get_irq() can fail here and we must check its return value. Signed-off-by: Arvind Yadav --- changes in v2 : return irq instead of -ENODEV. changes in v3 : Add failure case '<= 0' instead of '< 0'. IRQ0 is not valid. drivers/input/misc/twl4030-pwrbutton.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/input/misc/twl4030-pwrbutton.c b/drivers/input/misc/twl4030-pwrbutton.c index b307cca..0dcf311 100644 --- a/drivers/input/misc/twl4030-pwrbutton.c +++ b/drivers/input/misc/twl4030-pwrbutton.c @@ -58,6 +58,9 @@ static int twl4030_pwrbutton_probe(struct platform_device *pdev) int irq = platform_get_irq(pdev, 0); int err; + if (irq <= 0) + return irq; + pwr = devm_input_allocate_device(&pdev->dev); if (!pwr) { dev_err(&pdev->dev, "Can't allocate power button\n"); -- 2.7.4