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authorMoni Shoua <monis@mellanox.com>2017-11-26 20:23:54 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-02-25 11:05:46 +0100
commit7fb8b5d4867eb99d1f936c06add86603020c97d2 (patch)
treed828ed467962463a890b83e957d7c2ad308798da /drivers
parent82f9ba5ee2f7bde5f894786f74f0bb401130fafe (diff)
RDMA/cma: Make sure that PSN is not over max allowed
[ 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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/infiniband/core/cma.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index a09d6eed3b88..30f01613b518 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -744,6 +744,7 @@ 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;
}