4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Moni Shoua <mo...@mellanox.com>


[ Upstream commit 23a9cd2ad90543e9da3786878d2b2729c095439d ]

This patch limits the initial value for PSN to 24 bits as
spec requires.

Signed-off-by: Moni Shoua <mo...@mellanox.com>
Signed-off-by: Mukesh Kacker <mukesh.kac...@oracle.com>
Signed-off-by: Daniel Jurgens <dani...@mellanox.com>
Reviewed-by: Parav Pandit <pa...@mellanox.com>
Signed-off-by: Leon Romanovsky <l...@kernel.org>
Signed-off-by: Jason Gunthorpe <j...@mellanox.com>
Signed-off-by: Sasha Levin <alexander.le...@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
 drivers/infiniband/core/cma.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -626,6 +626,7 @@ struct rdma_cm_id *rdma_create_id(struct
        INIT_LIST_HEAD(&id_priv->mc_list);
        get_random_bytes(&id_priv->seq_num, sizeof id_priv->seq_num);
        id_priv->id.route.addr.dev_addr.net = get_net(net);
+       id_priv->seq_num &= 0x00ffffff;
 
        return &id_priv->id;
 }


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