diff options
| author | Eli Cohen <elic@nvidia.com> | 2021-09-09 09:37:38 +0300 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2021-09-15 01:10:43 +0300 |
| commit | 759be8993b1b40e05b8908583336b8e230e67b08 (patch) | |
| tree | 9558cc954ec8d299513315a374b2061d4fd2240f /drivers/vdpa | |
| parent | ef12e4bf4276a07fd350179fa63d0d337ea0a867 (diff) | |
| download | linux-759be8993b1b40e05b8908583336b8e230e67b08.tar.xz | |
vdpa/mlx5: Avoid executing set_vq_ready() if device is reset
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: 52893733f2c5 ("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>
Diffstat (limited to 'drivers/vdpa')
| -rw-r--r-- | drivers/vdpa/mlx5/net/mlx5_vnet.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c index 64dfd0f500d2..bd56de7484dc 100644 --- a/drivers/vdpa/mlx5/net/mlx5_vnet.c +++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c @@ -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; |