vdpa/mlx5: Initialize CVQ iotlb spinlock

Initialize itolb spinlock.

Fixes: 5262912ef3cf ("vdpa/mlx5: Add support for control VQ and MAC setting")
Signed-off-by: Eli Cohen <elic@nvidia.com>
Message-Id: <20230206122016.1149373-1-elic@nvidia.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

diff --git a/drivers/vdpa/mlx5/core/resources.c b/drivers/vdpa/mlx5/core/resources.c
index 45ad412..d5a59c9 100644 (file)
--- a/drivers/vdpa/mlx5/core/resources.c
+++ b/drivers/vdpa/mlx5/core/resources.c
@@ -233,6 +233,7 @@ static int init_ctrl_vq(struct mlx5_vdpa_dev *mvdev)
        if (!mvdev->cvq.iotlb)
                return -ENOMEM;
 
+       spin_lock_init(&mvdev->cvq.iommu_lock);
        vringh_set_iotlb(&mvdev->cvq.vring, mvdev->cvq.iotlb, &mvdev->cvq.iommu_lock);
 
        return 0;