This is a note to let you know that I've just added the patch titled
vdpa/mlx5: Return error on vlan ctrl commands if not supported
to the 6.1-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
vdpa-mlx5-return-error-on-vlan-ctrl-commands-if-not-.patch
and it can be found in the queue-6.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 3be151026554b12d30251aafbb3e19bc620d82bd
Author: Eli Cohen <elic@xxxxxxxxxx>
Date: Mon Nov 14 15:17:53 2022 +0200
vdpa/mlx5: Return error on vlan ctrl commands if not supported
[ 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 <elic@xxxxxxxxxx>
Message-Id: <20221114131759.57883-3-elic@xxxxxxxxxx>
Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
Acked-by: Jason Wang <jasowang@xxxxxxxxxx>
Acked-by: Eugenio Pérez <eperezma@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
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));
