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=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 C7E4AC7618F for ; Mon, 22 Jul 2019 16:37:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 79F7921901 for ; Mon, 22 Jul 2019 16:37:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="p8X+3oiA" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730911AbfGVQhI (ORCPT ); Mon, 22 Jul 2019 12:37:08 -0400 Received: from mail-ed1-f67.google.com ([209.85.208.67]:34688 "EHLO mail-ed1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729363AbfGVQhF (ORCPT ); Mon, 22 Jul 2019 12:37:05 -0400 Received: by mail-ed1-f67.google.com with SMTP id s49so6361361edb.1; Mon, 22 Jul 2019 09:37:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=zv5P3sG9+ZJv6qEu/KaS4z9NGZFAnjaGhIzkAMUBCaQ=; b=p8X+3oiA5+9ppo2rmXogrEYaTVh3IEWj+2bhdn9esGgRk+8YrGDY/DHD2Gm6l0Ts/G TUbrIRr+61ggzklQQYF93B4cK7Hzdvd8KFUGRE+3tsHCv+Q2ujeQom297q4FVjYnzmaf JJUx5h1jMLB8oeW6QJoZXeuXZ0cR+u49h5gbhRSycXg/pfK0hsqPU7/VUlW3RDEl+MMw UI1aN/U5zygiNnOdWB3cL2Gk7d9dp3J2DTRgTQh04uFTDBVCRmfmf/kTjDqL2eb1iL6G sgtbsqEwOsV4wLBMPGGPhzjYUfcOCcPfdYg8QrjQv6RXHL8OYQ0aup9+DGl5z556oPyK 68Fw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=zv5P3sG9+ZJv6qEu/KaS4z9NGZFAnjaGhIzkAMUBCaQ=; b=DoDEHicuc/IW9N0KCgLHFxIK0rMXZJ/aQ7KolwD8OHvNFBVvPO7dJhO604gjs8XigH h5GTU1xk2ZwgI/HX/fJWkHXnARQfunIbmAziubwz5+tOS1LFv2Nqt/FBHT+2/UrT83CY kKDrJzEv1xPzfvVaQABVHQ2Kjgj+6YLdQJIurSBBuSDlOixs3T85WTzeIJ1SfHnbeutR UShozujQRcMSaylLiGsxFU4n6UWAjBCXzyB2jfioUNcoRZRjAs+alXpKWI74kC/N/QJZ coTEJGtjHWotZWT9neL1+a14dxp/8yYrif+vByj2N5jSWkT/hqVaYR6zoB1zz3vZYgOG ZqzA== X-Gm-Message-State: APjAAAWRdaKVpytdeF2er+1Eu7ui7mBQags8nF8iD46cBPz8QvO6ww2p s4Lxv7d92ObqXNENFVnniEP03vFAxaYzXQ== X-Google-Smtp-Source: APXvYqy//6eYirJj9ENgnNsMtreAbzkSSZkTpUKSr9MlD7pQa27bKgIDs8spyOpldtk86kIMnEn5gA== X-Received: by 2002:a17:906:2409:: with SMTP id z9mr8411103eja.179.1563813423762; Mon, 22 Jul 2019 09:37:03 -0700 (PDT) Received: from localhost.localdomain ([65.154.66.198]) by smtp.gmail.com with ESMTPSA id p23sm8058609ejl.43.2019.07.22.09.37.01 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Mon, 22 Jul 2019 09:37:03 -0700 (PDT) From: stillcompiling@gmail.com To: Jiri Kosina , Benjamin Tissoires , linux-input@vger.kernel.org (open list:HID CORE LAYER), linux-kernel@vger.kernel.org (open list) Cc: Joshua Clayton Subject: [PATCH 2/2] HID: core: only warn once of oversize hid report Date: Mon, 22 Jul 2019 10:36:42 -0600 Message-Id: <20190722163642.10417-2-stillcompiling@gmail.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190722163642.10417-1-stillcompiling@gmail.com> References: <20190722163642.10417-1-stillcompiling@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Joshua Clayton On HP spectre x360 convertible the message: hid-sensor-hub 001F:8087:0AC2.0002: hid_field_extract() called with n (192) > 32! (kworker/1:2) is continually printed many times per second, crowding out all other kernel logs Protect dmesg by printing the warning only one time. Signed-off-by: Joshua Clayton --- drivers/hid/hid-core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 210b81a56e1a..7afd0422b280 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1311,7 +1311,7 @@ u32 hid_field_extract(const struct hid_device *hid, u8 *report, unsigned offset, unsigned n) { if (n > 32) { - hid_warn(hid, "hid_field_extract() called with n (%d) > 32! (%s)\n", + hid_warn_once(hid, "hid_field_extract() called with n (%d) > 32! (%s)\n", n, current->comm); n = 32; } -- 2.21.0