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RDMA/cma: Make sure that PSN is not over max allowed

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[ Upstream commit 23a9cd2ad90543e9da3786878d2b2729c095439d ]

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

Signed-off-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Mukesh Kacker <mukesh.kacker@oracle.com>
Signed-off-by: Daniel Jurgens <danielj@mellanox.com>
Reviewed-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Moni Shoua 2017-11-26 20:23:54 +02:00 • committed by Greg Kroah-Hartman
parent 2970ecd184
commit a09498d0eb
1 changed files with 1 additions and 0 deletions
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drivers/infiniband/core/cma.c
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@ -626,6 +626,7 @@ struct rdma_cm_id *rdma_create_id(struct net *net,
INIT_LIST_HEAD(&id_priv->mc_list); INIT_LIST_HEAD(&id_priv->mc_list);
get_random_bytes(&id_priv->seq_num, sizeof id_priv->seq_num); 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->id.route.addr.dev_addr.net = get_net(net);
id_priv->seq_num &= 0x00ffffff;
return &id_priv->id; return &id_priv->id;
} }