[PATCH rdma-rc v1 2/2] RDMA/cma: Make sure that PSN is not over max allowed

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From: Moni Shoua <monis@xxxxxxxxxxxx>

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

Signed-off-by: Moni Shoua <monis@xxxxxxxxxxxx>
Signed-off-by: Mukesh Kacker <mukesh.kacker@xxxxxxxxxx>
Signed-off-by: Daniel Jurgens <danielj@xxxxxxxxxxxx>
Reviewed-by: Parav Pandit <parav@xxxxxxxxxxxx>
Signed-off-by: Leon Romanovsky <leon@xxxxxxxxxx>
---
 drivers/infiniband/core/cma.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index 1fdb473b5df7..f6983357145d 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -801,6 +801,7 @@ struct rdma_cm_id *rdma_create_id(struct net *net,
 	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;
 }
-- 
2.15.0

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