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path: root/drivers/infiniband/core/agent.c
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Diffstat (limited to 'drivers/infiniband/core/agent.c')
-rw-r--r--drivers/infiniband/core/agent.c29
1 files changed, 17 insertions, 12 deletions
diff --git a/drivers/infiniband/core/agent.c b/drivers/infiniband/core/agent.c
index ae7c2880e62..91916a8d5de 100644
--- a/drivers/infiniband/core/agent.c
+++ b/drivers/infiniband/core/agent.c
@@ -59,8 +59,8 @@ __ib_get_agent_port(struct ib_device *device, int port_num)
struct ib_agent_port_private *entry;
list_for_each_entry(entry, &ib_agent_port_list, port_list) {
- if (entry->agent[0]->device == device &&
- entry->agent[0]->port_num == port_num)
+ if (entry->agent[1]->device == device &&
+ entry->agent[1]->port_num == port_num)
return entry;
}
return NULL;
@@ -155,14 +155,16 @@ int ib_agent_port_open(struct ib_device *device, int port_num)
goto error1;
}
- /* Obtain send only MAD agent for SMI QP */
- port_priv->agent[0] = ib_register_mad_agent(device, port_num,
- IB_QPT_SMI, NULL, 0,
- &agent_send_handler,
- NULL, NULL);
- if (IS_ERR(port_priv->agent[0])) {
- ret = PTR_ERR(port_priv->agent[0]);
- goto error2;
+ if (rdma_port_get_link_layer(device, port_num) == IB_LINK_LAYER_INFINIBAND) {
+ /* Obtain send only MAD agent for SMI QP */
+ port_priv->agent[0] = ib_register_mad_agent(device, port_num,
+ IB_QPT_SMI, NULL, 0,
+ &agent_send_handler,
+ NULL, NULL);
+ if (IS_ERR(port_priv->agent[0])) {
+ ret = PTR_ERR(port_priv->agent[0]);
+ goto error2;
+ }
}
/* Obtain send only MAD agent for GSI QP */
@@ -182,7 +184,8 @@ int ib_agent_port_open(struct ib_device *device, int port_num)
return 0;
error3:
- ib_unregister_mad_agent(port_priv->agent[0]);
+ if (port_priv->agent[0])
+ ib_unregister_mad_agent(port_priv->agent[0]);
error2:
kfree(port_priv);
error1:
@@ -205,7 +208,9 @@ int ib_agent_port_close(struct ib_device *device, int port_num)
spin_unlock_irqrestore(&ib_agent_port_list_lock, flags);
ib_unregister_mad_agent(port_priv->agent[1]);
- ib_unregister_mad_agent(port_priv->agent[0]);
+ if (port_priv->agent[0])
+ ib_unregister_mad_agent(port_priv->agent[0]);
+
kfree(port_priv);
return 0;
}