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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 C7EA8C3B18C for ; Thu, 13 Feb 2020 16:07:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A069A20656 for ; Thu, 13 Feb 2020 16:07:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581610071; bh=5P2ZoAS8iW57cEU+808Z4LNRPtVpxp01ip+yBhyB0qU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=GH6qmxsixMUEIcf3ltx0F4r/kpWWteWlKTITHLD7hjuyO6WWANkjFKYjHVLgKddNC P2tU1VTFcsYspz5oVPBVBdAVmUWRwqbix4MnlEUq/ie2C/5a4ND1GrEtLgOK7LZm5d YNHh57bsAGrhCoYXCuFDb82kPRMPx46wG46Jw/lk= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388396AbgBMQHv (ORCPT ); Thu, 13 Feb 2020 11:07:51 -0500 Received: from mail.kernel.org ([198.145.29.99]:33858 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728331AbgBMPXR (ORCPT ); Thu, 13 Feb 2020 10:23:17 -0500 Received: from localhost (unknown [104.132.1.104]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 6D5C4246C1; Thu, 13 Feb 2020 15:23:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581607397; bh=5P2ZoAS8iW57cEU+808Z4LNRPtVpxp01ip+yBhyB0qU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=cuxyDbT/mWys80DYPcjTYm5dtZgMGpVN1Tfr6tdprz5DRFaZIl2H2rU3+k/C/gneA bw45b0uP1XFfBh3/q6Q/j9C+Jp6eCfzBS3fJjYkZVl+pMz4M/2I7QNmgk8FeVW2V9G YGMuWLRAjekfyNWsoBn622/Wp/yFtlU9HgBZWvyA= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Eric Dumazet , SeongJae Park , Jakub Kicinski Subject: [PATCH 4.9 011/116] tcp: clear tp->total_retrans in tcp_disconnect() Date: Thu, 13 Feb 2020 07:19:15 -0800 Message-Id: <20200213151847.121055994@linuxfoundation.org> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200213151842.259660170@linuxfoundation.org> References: <20200213151842.259660170@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Eric Dumazet [ Upstream commit c13c48c00a6bc1febc73902505bdec0967bd7095 ] total_retrans needs to be cleared in tcp_disconnect(). tcp_disconnect() is rarely used, but it is worth fixing it. Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Signed-off-by: Eric Dumazet Cc: SeongJae Park Signed-off-by: Jakub Kicinski Signed-off-by: Greg Kroah-Hartman --- net/ipv4/tcp.c | 1 + 1 file changed, 1 insertion(+) --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -2301,6 +2301,7 @@ int tcp_disconnect(struct sock *sk, int tcp_set_ca_state(sk, TCP_CA_Open); tp->is_sack_reneg = 0; tcp_clear_retrans(tp); + tp->total_retrans = 0; inet_csk_delack_init(sk); /* Initialize rcv_mss to TCP_MIN_MSS to avoid division by 0 * issue in __tcp_select_window()