From patchwork Thu May 20 09:21:01 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 445403 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=-19.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, 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 749F6C433ED for ; Thu, 20 May 2021 10:55:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3DFF461028 for ; Thu, 20 May 2021 10:55:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238851AbhETK4Z (ORCPT ); Thu, 20 May 2021 06:56:25 -0400 Received: from mail.kernel.org ([198.145.29.99]:52618 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238991AbhETKyW (ORCPT ); Thu, 20 May 2021 06:54:22 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id A382A61CE0; Thu, 20 May 2021 10:01:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1621504862; bh=FVsaYYVv1Qhaj3OnFiRvL2dMG6YsftuPWFaj/nUClgw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=NoZhUYRp0LwsT4vH4zcxpob1d0L00AJirFqc5AkPNPMlz+4/AkR4/+qVePtV4rgcq xUgGyvc573wL6IPSGJKFVPs0TRRdILTw1pcQUrpnGMWO4tqCXkRPBR6t3No9g6qy2k ocbiuduokwkIvj6W2cr8ifGJyLlRwbjUSKJo+q0w= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Taehee Yoo , "David S. Miller" , George Kennedy Subject: [PATCH 4.9 069/240] hsr: use netdev_err() instead of WARN_ONCE() Date: Thu, 20 May 2021 11:21:01 +0200 Message-Id: <20210520092110.988964282@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210520092108.587553970@linuxfoundation.org> References: <20210520092108.587553970@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Taehee Yoo commit 4b793acdca0050739b99ace6a8b9e7f717f57c6b upstream. When HSR interface is sending a frame, it finds a node with the destination ethernet address from the list. If there is no node, it calls WARN_ONCE(). But, using WARN_ONCE() for this situation is a little bit overdoing. So, in this patch, the netdev_err() is used instead. Signed-off-by: Taehee Yoo Signed-off-by: David S. Miller Cc: George Kennedy Signed-off-by: Greg Kroah-Hartman --- net/hsr/hsr_framereg.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/net/hsr/hsr_framereg.c +++ b/net/hsr/hsr_framereg.c @@ -310,7 +310,8 @@ void hsr_addr_subst_dest(struct hsr_node node_dst = find_node_by_AddrA(&port->hsr->node_db, eth_hdr(skb)->h_dest); if (!node_dst) { - WARN_ONCE(1, "%s: Unknown node\n", __func__); + if (net_ratelimit()) + netdev_err(skb->dev, "%s: Unknown node\n", __func__); return; } if (port->type != node_dst->AddrB_port)