Just add the call before taking locks.

Signed-off-by: Christian König <christian.koe...@amd.com>
---
 drivers/infiniband/hw/mlx5/odp.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/infiniband/hw/mlx5/odp.c b/drivers/infiniband/hw/mlx5/odp.c
index b103555b1f5d..6b4d980c02e8 100644
--- a/drivers/infiniband/hw/mlx5/odp.c
+++ b/drivers/infiniband/hw/mlx5/odp.c
@@ -804,6 +804,10 @@ static int pagefault_dmabuf_mr(struct mlx5_ib_mr *mr, 
size_t bcnt,
        if (flags & MLX5_PF_FLAGS_ENABLE)
                xlt_flags |= MLX5_IB_UPD_XLT_ENABLE;
 
+       err = dma_resv_sync_user_fence(umem_dmabuf->attach->dmabuf->resv);
+       if (err)
+               return err;
+
        dma_resv_lock(umem_dmabuf->attach->dmabuf->resv, NULL);
        err = ib_umem_dmabuf_map_pages(umem_dmabuf);
        if (err) {
-- 
2.25.1

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