Merge: RDMA/mlx5: Fix a WARN during dereg_mr for DM type

MR: https://gitlab.com/redhat/rhel/src/kernel/rhel-9/-/merge_requests/3446

JIRA: https://issues.redhat.com/browse/RHEL-6641
JIRA: https://issues.redhat.com/browse/RHEL-49958
JIRA: https://issues.redhat.com/browse/RHEL-77115

Signed-off-by: Benjamin Poirier <[email protected]>

Approved-by: Kamal Heib <[email protected]>
Approved-by: José Ignacio Tornos Martínez <[email protected]>
Approved-by: CKI KWF Bot <[email protected]>

Merged-by: CKI KWF Bot <[email protected]>

Author: CKI KWF Bot

drivers/infiniband/hw/mlx5/mr.c

@@ -1935,7 +1935,8 @@ mlx5_alloc_priv_descs(struct ib_device *device,
 static void
 mlx5_free_priv_descs(struct mlx5_ib_mr *mr)
 {
-	if (!mr->umem && !mr->data_direct && mr->descs) {
+	if (!mr->umem && !mr->data_direct &&
+	    mr->ibmr.type != IB_MR_TYPE_DM && mr->descs) {
 		struct ib_device *device = mr->ibmr.device;
 		int size = mr->max_descs * mr->desc_size;
 		struct mlx5_ib_dev *dev = to_mdev(device);