From patchwork Wed Apr 8 20:56:45 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Michal_Mal=C3=BD?= X-Patchwork-Id: 6182551 X-Patchwork-Delegate: jikos@jikos.cz Return-Path: X-Original-To: patchwork-linux-input@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 66584BF4A7 for ; Wed, 8 Apr 2015 20:57:37 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 996F020386 for ; Wed, 8 Apr 2015 20:57:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BF6292038F for ; Wed, 8 Apr 2015 20:57:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753252AbbDHU53 (ORCPT ); Wed, 8 Apr 2015 16:57:29 -0400 Received: from imap.devoid-pointer.net ([31.31.77.140]:33011 "EHLO smtp.devoid-pointer.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754720AbbDHU52 (ORCPT ); Wed, 8 Apr 2015 16:57:28 -0400 Received: from Labrat.localdomain.localdomain (228.123.broadband5.iol.cz [88.100.123.228]) (using TLSv1.2 with cipher AES128-SHA256 (128/128 bits)) (No client certificate requested) by smtp.devoid-pointer.net (Postfix) with ESMTPSA id C426A21A7C; Wed, 8 Apr 2015 22:57:16 +0200 (CEST) From: =?UTF-8?q?Michal=20Mal=C3=BD?= To: jkosina@suse.cz Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.or, elias.vds@gmail.com, simon@mungewell.org, =?UTF-8?q?Michal=20Mal=C3=BD?= Subject: [PATCH v2 07/15] HID: hid-lg: Check return values from lg[N]ff_init() Date: Wed, 8 Apr 2015 22:56:45 +0200 Message-Id: <1428526613-24239-8-git-send-email-madcatxster@devoid-pointer.net> X-Mailer: git-send-email 2.3.5 In-Reply-To: <1428526613-24239-1-git-send-email-madcatxster@devoid-pointer.net> References: <1428526613-24239-1-git-send-email-madcatxster@devoid-pointer.net> MIME-Version: 1.0 Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Check return values from lg[N]ff_init(). hid-lg did not check return values from the lg[N]_init() functions, possibly trying to work with a device whose initialization has failed. Signed-off-by: Michal Malý --- drivers/hid/hid-lg.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/drivers/hid/hid-lg.c b/drivers/hid/hid-lg.c index b86c18e..c797781 100644 --- a/drivers/hid/hid-lg.c +++ b/drivers/hid/hid-lg.c @@ -712,13 +712,16 @@ static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id) } if (drv_data->quirks & LG_FF) - lgff_init(hdev); + ret = lgff_init(hdev); if (drv_data->quirks & LG_FF2) - lg2ff_init(hdev); + ret = lg2ff_init(hdev); if (drv_data->quirks & LG_FF3) - lg3ff_init(hdev); + ret = lg3ff_init(hdev); if (drv_data->quirks & LG_FF4) - lg4ff_init(hdev); + ret = lg4ff_init(hdev); + + if (ret) + goto err_free; return 0; err_free: