[PATCH v5 18/28] rdma/cm: Only listen on IB devices when using AF_IB

[sean.hefty-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org]

From: Sean Hefty <sean.hefty-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>

If an rdma_cm_id is bound to AF_IB, with a wild card address,
only listen on IB devices.

Signed-off-by: Sean Hefty <sean.hefty-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
---
 drivers/infiniband/core/cma.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index 6ea5ce7..797fb05 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -1616,6 +1616,10 @@ static void cma_listen_on_dev(struct rdma_id_private *id_priv,
 	struct rdma_cm_id *id;
 	int ret;
 
+	if (cma_family(id_priv) == AF_IB &&
+	    rdma_node_get_transport(cma_dev->device->node_type) != RDMA_TRANSPORT_IB)
+		return;
+
 	id = rdma_create_id(cma_listen_handler, id_priv, id_priv->id.ps,
 			    id_priv->id.qp_type);
 	if (IS_ERR(id))
-- 
1.7.3

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