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path: root/drivers/infiniband/hw/mlx4/mad.c
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Diffstat (limited to 'drivers/infiniband/hw/mlx4/mad.c')
-rw-r--r--drivers/infiniband/hw/mlx4/mad.c32
1 files changed, 20 insertions, 12 deletions
diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c
index f38d5b118927..c9a8dd63b9e2 100644
--- a/drivers/infiniband/hw/mlx4/mad.c
+++ b/drivers/infiniband/hw/mlx4/mad.c
@@ -311,19 +311,25 @@ int mlx4_ib_mad_init(struct mlx4_ib_dev *dev)
struct ib_mad_agent *agent;
int p, q;
int ret;
+ enum rdma_link_layer ll;
- for (p = 0; p < dev->num_ports; ++p)
+ for (p = 0; p < dev->num_ports; ++p) {
+ ll = rdma_port_get_link_layer(&dev->ib_dev, p + 1);
for (q = 0; q <= 1; ++q) {
- agent = ib_register_mad_agent(&dev->ib_dev, p + 1,
- q ? IB_QPT_GSI : IB_QPT_SMI,
- NULL, 0, send_handler,
- NULL, NULL);
- if (IS_ERR(agent)) {
- ret = PTR_ERR(agent);
- goto err;
- }
- dev->send_agent[p][q] = agent;
+ if (ll == IB_LINK_LAYER_INFINIBAND) {
+ agent = ib_register_mad_agent(&dev->ib_dev, p + 1,
+ q ? IB_QPT_GSI : IB_QPT_SMI,
+ NULL, 0, send_handler,
+ NULL, NULL);
+ if (IS_ERR(agent)) {
+ ret = PTR_ERR(agent);
+ goto err;
+ }
+ dev->send_agent[p][q] = agent;
+ } else
+ dev->send_agent[p][q] = NULL;
}
+ }
return 0;
@@ -344,8 +350,10 @@ void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev)
for (p = 0; p < dev->num_ports; ++p) {
for (q = 0; q <= 1; ++q) {
agent = dev->send_agent[p][q];
- dev->send_agent[p][q] = NULL;
- ib_unregister_mad_agent(agent);
+ if (agent) {
+ dev->send_agent[p][q] = NULL;
+ ib_unregister_mad_agent(agent);
+ }
}
if (dev->sm_ah[p])