From patchwork Fri Mar 6 09:55:05 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luis Henriques X-Patchwork-Id: 447114 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from huckleberry.canonical.com (huckleberry.canonical.com [91.189.94.19]) by ozlabs.org (Postfix) with ESMTP id 6915F1400EA; Fri, 6 Mar 2015 20:59:22 +1100 (AEDT) Received: from localhost ([127.0.0.1] helo=huckleberry.canonical.com) by huckleberry.canonical.com with esmtp (Exim 4.76) (envelope-from ) id 1YTp2M-0001nh-7k; Fri, 06 Mar 2015 09:59:18 +0000 Received: from youngberry.canonical.com ([91.189.89.112]) by huckleberry.canonical.com with esmtp (Exim 4.76) (envelope-from ) id 1YTp1L-000180-L5 for kernel-team@lists.ubuntu.com; Fri, 06 Mar 2015 09:58:15 +0000 Received: from 1.general.henrix.uk.vpn ([10.172.192.212] helo=localhost) by youngberry.canonical.com with esmtpsa (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1YTp1L-00061W-Fq; Fri, 06 Mar 2015 09:58:15 +0000 From: Luis Henriques To: linux-kernel@vger.kernel.org, stable@vger.kernel.org, kernel-team@lists.ubuntu.com Subject: [PATCH 3.16.y-ckt 014/183] HID: fixup the conflicting keyboard mappings quirk Date: Fri, 6 Mar 2015 09:55:05 +0000 Message-Id: <1425635874-19087-15-git-send-email-luis.henriques@canonical.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1425635874-19087-1-git-send-email-luis.henriques@canonical.com> References: <1425635874-19087-1-git-send-email-luis.henriques@canonical.com> X-Extended-Stable: 3.16 Cc: Jiri Kosina X-BeenThere: kernel-team@lists.ubuntu.com X-Mailman-Version: 2.1.14 Precedence: list List-Id: Kernel team discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: kernel-team-bounces@lists.ubuntu.com Sender: kernel-team-bounces@lists.ubuntu.com 3.16.7-ckt8 -stable review patch. If anyone has any objections, please let me know. ------------------ From: Jiri Kosina commit 8e7b341037db1835ee6eea64663013cbfcf33575 upstream. The ignore check that got added in 6ce901eb61 ("HID: input: fix confusion on conflicting mappings") needs to properly check for VARIABLE reports as well (ARRAY reports should be ignored), otherwise legitimate keyboards might break. Fixes: 6ce901eb61 ("HID: input: fix confusion on conflicting mappings") Reported-by: Fredrik Hallenberg Reported-by: David Herrmann Signed-off-by: Jiri Kosina Signed-off-by: Luis Henriques --- drivers/hid/hid-input.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c index 323c3ba85a5d..79fa1cd9dfdd 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -1110,6 +1110,7 @@ void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct */ if (!(field->flags & (HID_MAIN_ITEM_RELATIVE | HID_MAIN_ITEM_BUFFERED_BYTE)) && + (field->flags & HID_MAIN_ITEM_VARIABLE) && usage->usage_index < field->maxusage && value == field->value[usage->usage_index]) return;