From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8EBD13A168C; Tue, 17 Mar 2026 10:10:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773742214; cv=none; b=Ef/U7zEcg1AMHxX54TSr3HNppiyV5cLWQHLSqgtQh1MnY7+yPIq6Tyk1dx2XBI2n2yXjYmjCU8YDsC6af54DaPYQSFawYwt5e6s7RQJsPbDTXiWyGJEDWNw/zGOnLWj9gXx2xwD+qghhPs7srGN8ep2azWJdrmLJEvGa1rWySWU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773742214; c=relaxed/simple; bh=yCE9xDfVH5mlKvUnBe4JP0v1B215euVAbOFA6C65hVU=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=DQqNeVHDwirm/+rUXmpsl+YMRrNL2k3X8wV2LZXkcUv4iPz+BicVXzsmHifS+jezcejBkxNnSwl5tNQk3XKfoKP+Hip/snrFKY7H2ArUl51NcGtuBS/o1qKcJZh3eWpdMo7AqQzCX0n8k9YFYLS/Je08YnUlzNbYQRLDknl5PHY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=s0zKRmqt; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="s0zKRmqt" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D6B44C4CEF7; Tue, 17 Mar 2026 10:10:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773742213; bh=yCE9xDfVH5mlKvUnBe4JP0v1B215euVAbOFA6C65hVU=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=s0zKRmqtZq0cdfjoQo6HkrW7a+FKXciJYTL6KlXPqe8t2omKXeVBgHdaOoBU+sbC2 Puu46FLmnJk6qT8/kKParU+Zd8exVhe1FuTPAk5XBGMWtrEkmmAmi22mVOLVDs7hrY N1IMHYiXqttr6pa7rixgm90VFejAlZpScFW+vTpTHuw5i1924NdFCbC/NwNaNCem3q eeaOzDNT1KHV9OXHs9HB/JcGviAwIbrbgbKPvn7ti7F4Ui8CeJh2tOMyU9mFMf89+w 32YiWZWkRnuwGVNg8W3/B6CnNxrIauEfZMJLVt+l1zHJ5Q4CNxrFA28hnV5322wpME uZb1huvgRhaKQ== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 7D1F63808200; Tue, 17 Mar 2026 10:10:07 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net-next 1/2] ppp: disconnect channel before nullifying pch->chan From: patchwork-bot+netdevbpf@kernel.org Message-Id: <177374220629.3541223.8549606798912448552.git-patchwork-notify@kernel.org> Date: Tue, 17 Mar 2026 10:10:06 +0000 References: <20260312093732.277254-1-dqfext@gmail.com> In-Reply-To: <20260312093732.277254-1-dqfext@gmail.com> To: Qingfang Deng Cc: andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, linux-ppp@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, paulus@ozlabs.org Hello: This series was applied to netdev/net-next.git (main) by Paolo Abeni : On Thu, 12 Mar 2026 17:37:30 +0800 you wrote: > In ppp_unregister_channel(), pch->chan is set to NULL before calling > ppp_disconnect_channel(), which removes the channel from ppp->channels > list using list_del_rcu() + synchronize_net(). This creates an > intermediate state where the channel is still connected (on the list) > but already unregistered (pch->chan == NULL). > > Call ppp_disconnect_channel() before setting pch->chan to NULL. After > the synchronize_net(), no new reader on the transmit path will hold a > reference to the channel from the list. > > [...] Here is the summary with links: - [net-next,1/2] ppp: disconnect channel before nullifying pch->chan https://git.kernel.org/netdev/net-next/c/6a196e83a1a7 - [net-next,2/2] ppp: remove pch->chan NULL checks from tx path https://git.kernel.org/netdev/net-next/c/febe8012458f You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html