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path: root/drivers/vdpa
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-rw-r--r--drivers/vdpa/mlx5/core/resources.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/vdpa/mlx5/core/resources.c b/drivers/vdpa/mlx5/core/resources.c
index 45ad41287a31..d5a59c9035fb 100644
--- 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;