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authorMoni Shoua <monis@mellanox.com>2017-11-26 21:23:54 +0300
committerJason Gunthorpe <jgg@mellanox.com>2017-12-01 22:21:26 +0300
commit23a9cd2ad90543e9da3786878d2b2729c095439d (patch)
tree0e2abd89f9d2fa65d7c14d0b186a17b5fa562fee /drivers/infiniband
parenta7c6dfe215a7f85c6195f09c1b9474a2ba7fea9c (diff)
downloadlinux-23a9cd2ad90543e9da3786878d2b2729c095439d.tar.xz
RDMA/cma: Make sure that PSN is not over max allowed
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>
Diffstat (limited to 'drivers/infiniband')
-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 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;
}