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vdpa/mlx5: Avoid executing set_vq_ready() if device is reset

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Avoid executing set_vq_ready() if the device has been reset. In such
case, the features are cleared and cannot be used in conditional
statements. Such reference happens is the function ctrl_vq_idx().

Fixes: 52893733f2 ("vdpa/mlx5: Add multiqueue support")
Signed-off-by: Eli Cohen <elic@nvidia.com>
Link: https://lore.kernel.org/r/20210909063738.46970-1-elic@nvidia.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Eli Cohen 2021-09-09 09:37:38 +03:00 committed by Michael S. Tsirkin
parent ef12e4bf42
commit 759be8993b
1 changed files with 3 additions and 0 deletions
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3
drivers/vdpa/mlx5/net/mlx5_vnet.c
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@ -1714,6 +1714,9 @@ static void mlx5_vdpa_set_vq_ready(struct vdpa_device *vdev, u16 idx, bool ready
struct mlx5_vdpa_net *ndev = to_mlx5_vdpa_ndev(mvdev);
struct mlx5_vdpa_virtqueue *mvq;
if (!mvdev->actual_features)
return;
if (!is_index_valid(mvdev, idx))
return;