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 44B9D1F60A; Mon, 4 Mar 2024 21:34:02 +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=1709588042; cv=none; b=PWLJtBa+y9tbJeXC4Rcx1VXEb9GLUuRsUdP2DRT9fCUPvrgsHY7nAOyMAEKoZv1Ual7j3Uq1zPFNnerHWHwHp+3c2IB8H4+ZfnzA5WLYK5sRG8gJdvVZ4SyxSSNE5iRQa2o7HHHAOWnbicUybH/2qMMBIwntuv93BmocGNpnqa0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709588042; c=relaxed/simple; bh=7JHSSWSkN2VZQYReShfxtKSpGAcrmghGyCsNX6g/PBk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=oCzfTq8aO4QAOI1UZMffkCHw6fBvCOJMFkRdIPr9tBHkYdB9bQtASiu/GWVMBgXQfvZkeQEaIxYb38MJ08RwRqRDlFERAdyIzl6WlmaukhHbwp9mtF2PGaL/pVgSjkAlG2PTtmTYxdXIWTuCj7SGCv1orTXTFGwEHUT03+Zsfb0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=Jepz6DsK; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="Jepz6DsK" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CA4B0C433F1; Mon, 4 Mar 2024 21:34:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1709588042; bh=7JHSSWSkN2VZQYReShfxtKSpGAcrmghGyCsNX6g/PBk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Jepz6DsK4pOGgH+PDCtiJmx1kERpbAfLboki/4GoQ/LXS8UEmEqdlM2UfOp4+l30D KLhjJK7v459VGWcwGZkhSWOxnneZcN7cl8w02vHSYQdPc9jn7t6dx9tzReJPkk1nYG L7Nd2sk0KSYFHToptHiUf9miSR5frkWP1HP/JCbU= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Yunjian Wang , Jakub Kicinski , Sasha Levin Subject: [PATCH 5.4 03/25] tun: Fix xdp_rxq_infos queue_index when detaching Date: Mon, 4 Mar 2024 21:23:39 +0000 Message-ID: <20240304211535.854516610@linuxfoundation.org> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240304211535.741936181@linuxfoundation.org> References: <20240304211535.741936181@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Yunjian Wang [ Upstream commit 2a770cdc4382b457ca3d43d03f0f0064f905a0d0 ] When a queue(tfile) is detached, we only update tfile's queue_index, but do not update xdp_rxq_info's queue_index. This patch fixes it. Fixes: 8bf5c4ee1889 ("tun: setup xdp_rxq_info") Signed-off-by: Yunjian Wang Link: https://lore.kernel.org/r/1708398727-46308-1-git-send-email-wangyunjian@huawei.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/tun.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/tun.c b/drivers/net/tun.c index c595262c109ac..47958e6bd77fb 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -715,6 +715,7 @@ static void __tun_detach(struct tun_file *tfile, bool clean) tun->tfiles[tun->numqueues - 1]); ntfile = rtnl_dereference(tun->tfiles[index]); ntfile->queue_index = index; + ntfile->xdp_rxq.queue_index = index; rcu_assign_pointer(tun->tfiles[tun->numqueues - 1], NULL); -- 2.43.0