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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 63932C3F2D2 for ; Thu, 5 Mar 2020 17:24:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3BE4B21775 for ; Thu, 5 Mar 2020 17:24:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1583429058; bh=Rcpuoua5mmJzEl3RbXML86RqG0/4QTit1QasTIw5ZQY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=ytpr3I2RyfvdjrSDkCiBOmA9aMzuOjfUbRX2OeP8DwoRjO5D3eBrY25VpRpdBD469 ggQjRszMlzkmEUcbkyfywEhu967y5iI16x/+9NH1zPZ5uUd4AECnz67I+zX79IS8lM 4KbXnF+ZyuP8WrVy97679mOuYx8s7L7hCU/ozmkM= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726382AbgCERNT (ORCPT ); Thu, 5 Mar 2020 12:13:19 -0500 Received: from mail.kernel.org ([198.145.29.99]:38694 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726317AbgCERNS (ORCPT ); Thu, 5 Mar 2020 12:13:18 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (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 67A212166E; Thu, 5 Mar 2020 17:13:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1583428398; bh=Rcpuoua5mmJzEl3RbXML86RqG0/4QTit1QasTIw5ZQY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=z9+YwtiRue9AFpJ5WdxUPL1ooBEzlE/fPSgmer0iNm+Zc0hYOhmePB9s7ijXWxfok stoecobb06C+Sw4A6ns6k5rDD27vVvyadoAM23oOKjDTR+VeZxLy4YH87FueLT7IT2 yo4pQIUHDlEFBzK8McDo+Ulhildac5q7pPtlLpzI= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Christophe JAILLET , Jiri Kosina , Sasha Levin , linux-input@vger.kernel.org Subject: [PATCH AUTOSEL 5.5 06/67] HID: alps: Fix an error handling path in 'alps_input_configured()' Date: Thu, 5 Mar 2020 12:12:07 -0500 Message-Id: <20200305171309.29118-6-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200305171309.29118-1-sashal@kernel.org> References: <20200305171309.29118-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org From: Christophe JAILLET [ Upstream commit 8d2e77b39b8fecb794e19cd006a12f90b14dd077 ] They are issues: - if 'input_allocate_device()' fails and return NULL, there is no need to free anything and 'input_free_device()' call is a no-op. It can be axed. - 'ret' is known to be 0 at this point, so we must set it to a meaningful value before returning Fixes: 2562756dde55 ("HID: add Alps I2C HID Touchpad-Stick support") Signed-off-by: Christophe JAILLET Signed-off-by: Jiri Kosina Signed-off-by: Sasha Levin --- drivers/hid/hid-alps.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/hid/hid-alps.c b/drivers/hid/hid-alps.c index ae79a7c667372..fa704153cb00d 100644 --- a/drivers/hid/hid-alps.c +++ b/drivers/hid/hid-alps.c @@ -730,7 +730,7 @@ static int alps_input_configured(struct hid_device *hdev, struct hid_input *hi) if (data->has_sp) { input2 = input_allocate_device(); if (!input2) { - input_free_device(input2); + ret = -ENOMEM; goto exit; } -- 2.20.1