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 7DC312590 for ; Sun, 22 Jan 2023 15:21:47 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E1632C433EF; Sun, 22 Jan 2023 15:21:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1674400907; bh=zX3hwgOKL+eX4FOKDqK9mcTPt6yXwJR+0/Z/FSot2is=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=E8qTY5DYVGps92DIne8mbjeE/UaY5blI0BQmrWiDhYAyhK3l0BYZApAORMq1DDmis RwALme/QQ9VMeyr4k6aYv6NP+1R+qWBWDz8iBFK8CBsXLEsPsqNWI04eHBRe50Td9g 2q1zhU8Gr+RGm+kOqdcXpFF8lCBOFRcBpsNw7TPQ= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Eli Cohen , "Michael S. Tsirkin" , Jason Wang , =?UTF-8?q?Eugenio=20P=C3=A9rez?= , Sasha Levin Subject: [PATCH 6.1 008/193] vdpa/mlx5: Return error on vlan ctrl commands if not supported Date: Sun, 22 Jan 2023 16:02:17 +0100 Message-Id: <20230122150246.758229409@linuxfoundation.org> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230122150246.321043584@linuxfoundation.org> References: <20230122150246.321043584@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Eli Cohen [ Upstream commit 5aec804936bbff182081f1cdc271fcb76af1a4ff ] Check if VIRTIO_NET_F_CTRL_VLAN is negotiated and return error if control VQ command is received. Signed-off-by: Eli Cohen Message-Id: <20221114131759.57883-3-elic@nvidia.com> Signed-off-by: Michael S. Tsirkin Acked-by: Jason Wang Acked-by: Eugenio Pérez Signed-off-by: Sasha Levin --- drivers/vdpa/mlx5/net/mlx5_vnet.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c index 444d6572b2d0..b06260a37680 100644 --- a/drivers/vdpa/mlx5/net/mlx5_vnet.c +++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c @@ -1823,6 +1823,9 @@ static virtio_net_ctrl_ack handle_ctrl_vlan(struct mlx5_vdpa_dev *mvdev, u8 cmd) size_t read; u16 id; + if (!(ndev->mvdev.actual_features & BIT_ULL(VIRTIO_NET_F_CTRL_VLAN))) + return status; + switch (cmd) { case VIRTIO_NET_CTRL_VLAN_ADD: read = vringh_iov_pull_iotlb(&cvq->vring, &cvq->riov, &vlan, sizeof(vlan)); -- 2.35.1