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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EBF98C433EF for ; Tue, 16 Nov 2021 19:04:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C75B463237 for ; Tue, 16 Nov 2021 19:04:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239765AbhKPTHq (ORCPT ); Tue, 16 Nov 2021 14:07:46 -0500 Received: from mail.kernel.org ([198.145.29.99]:51246 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239755AbhKPTHn (ORCPT ); Tue, 16 Nov 2021 14:07:43 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id BDD686321A; Tue, 16 Nov 2021 19:04:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1637089486; bh=0+IHl2FA82SiI/XKL9laqutnEaqH7vcJ/2XO06Xc6T4=; h=From:To:Cc:Subject:Date:From; b=WdWwC9gegYvsch8ctXsZ4lC9rh6N73lRXaRoZ7dVAH6Ryl3kjYVErEataKFRaoXlX OWErFYNWEsnW/G78aS0928KBCioyUxtBEpNZLCt3b8tcm5k6HWhW+m1v2vAcSpHH3B BLhTHONwW8xHIrJylCXoxpdpBqn0hxPgsR/S4kb2lHgcTPTMRupxRGK/XbXSxME58u x0pg5mIwtchvFCaWGsj3ltlldNxjxqNH/qlTPwPedJo0Knwio/g9+P+7+8jVq1mQvD vQC4hqwOIeaZSrwWcIq9veWQ5ZpPg2+a6GuDupSefn7yWIBp495BRKCeFtG2BBAirF mW7+Gr7w+1Hiw== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Tang Bin , Dmitry Torokhov , Sasha Levin , sebastian.reichel@collabora.com, linux-input@vger.kernel.org Subject: [PATCH AUTOSEL 5.15 01/65] Input: cpcap-pwrbutton - handle errors from platform_get_irq() Date: Tue, 16 Nov 2021 14:03:21 -0500 Message-Id: <20211116190443.2418144-1-sashal@kernel.org> X-Mailer: git-send-email 2.33.0 MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org From: Tang Bin [ Upstream commit 58ae4004b9c4bb040958cf73986b687a5ea4d85d ] The function cpcap_power_button_probe() does not perform sufficient error checking after executing platform_get_irq(), thus fix it. Signed-off-by: Tang Bin Link: https://lore.kernel.org/r/20210802121740.8700-1-tangbin@cmss.chinamobile.com Signed-off-by: Dmitry Torokhov Signed-off-by: Sasha Levin --- drivers/input/misc/cpcap-pwrbutton.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/input/misc/cpcap-pwrbutton.c b/drivers/input/misc/cpcap-pwrbutton.c index 0abef63217e21..372cb44d06357 100644 --- a/drivers/input/misc/cpcap-pwrbutton.c +++ b/drivers/input/misc/cpcap-pwrbutton.c @@ -54,9 +54,13 @@ static irqreturn_t powerbutton_irq(int irq, void *_button) static int cpcap_power_button_probe(struct platform_device *pdev) { struct cpcap_power_button *button; - int irq = platform_get_irq(pdev, 0); + int irq; int err; + irq = platform_get_irq(pdev, 0); + if (irq < 0) + return irq; + button = devm_kmalloc(&pdev->dev, sizeof(*button), GFP_KERNEL); if (!button) return -ENOMEM; -- 2.33.0