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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4E60FC00140 for ; Mon, 15 Aug 2022 19:07:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245394AbiHOTHN (ORCPT ); Mon, 15 Aug 2022 15:07:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60074 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245669AbiHOTCe (ORCPT ); Mon, 15 Aug 2022 15:02:34 -0400 Received: from sin.source.kernel.org (sin.source.kernel.org [IPv6:2604:1380:40e1:4800::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2359A4D4CA; Mon, 15 Aug 2022 11:33:41 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sin.source.kernel.org (Postfix) with ESMTPS id 0BFA0CE1253; Mon, 15 Aug 2022 18:33:39 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id EF894C433C1; Mon, 15 Aug 2022 18:33:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1660588417; bh=Qd0WN9AbOZnHo0ee9xcyfLl0nqUxk4PoBCVtLLWpov0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=iGce04l3QZmxz5b6RV7ff/EpMM87/yL6hrfZXKUJVTetpZMJiJ18IjK40vWzPJula x9PiiNrxbGxkgqolIR37cI3bBQhPL4tT8UwVay7qhz02wkUKAjeGfrHZZNVsaSbFsU 22fbRWyouZHcPSkcfm359w1srOE1VroibAR7MMgE= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jimmy Assarsson , Vincent Mailhol , Marc Kleine-Budde , Sasha Levin Subject: [PATCH 5.15 356/779] can: kvaser_usb_hydra: do not report txerr and rxerr during bus-off Date: Mon, 15 Aug 2022 20:00:00 +0200 Message-Id: <20220815180352.447930198@linuxfoundation.org> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220815180337.130757997@linuxfoundation.org> References: <20220815180337.130757997@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Vincent Mailhol [ Upstream commit 936e90595376e64b6247c72d3ea8b8b164b7ac96 ] During bus off, the error count is greater than 255 and can not fit in a u8. Fixes: aec5fb2268b7 ("can: kvaser_usb: Add support for Kvaser USB hydra family") Link: https://lore.kernel.org/all/20220719143550.3681-8-mailhol.vincent@wanadoo.fr CC: Jimmy Assarsson Signed-off-by: Vincent Mailhol Signed-off-by: Marc Kleine-Budde Signed-off-by: Sasha Levin --- drivers/net/can/usb/kvaser_usb/kvaser_usb_hydra.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/drivers/net/can/usb/kvaser_usb/kvaser_usb_hydra.c b/drivers/net/can/usb/kvaser_usb/kvaser_usb_hydra.c index fce3f069cdbc..93d7ee6d17b6 100644 --- a/drivers/net/can/usb/kvaser_usb/kvaser_usb_hydra.c +++ b/drivers/net/can/usb/kvaser_usb/kvaser_usb_hydra.c @@ -916,8 +916,10 @@ static void kvaser_usb_hydra_update_state(struct kvaser_usb_net_priv *priv, new_state < CAN_STATE_BUS_OFF) priv->can.can_stats.restarts++; - cf->data[6] = bec->txerr; - cf->data[7] = bec->rxerr; + if (new_state != CAN_STATE_BUS_OFF) { + cf->data[6] = bec->txerr; + cf->data[7] = bec->rxerr; + } stats = &netdev->stats; stats->rx_packets++; @@ -1071,8 +1073,10 @@ kvaser_usb_hydra_error_frame(struct kvaser_usb_net_priv *priv, shhwtstamps->hwtstamp = hwtstamp; cf->can_id |= CAN_ERR_BUSERROR; - cf->data[6] = bec.txerr; - cf->data[7] = bec.rxerr; + if (new_state != CAN_STATE_BUS_OFF) { + cf->data[6] = bec.txerr; + cf->data[7] = bec.rxerr; + } stats->rx_packets++; stats->rx_bytes += cf->len; -- 2.35.1