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path: root/drivers/infiniband/core/multicast.c
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Diffstat (limited to 'drivers/infiniband/core/multicast.c')
-rw-r--r--drivers/infiniband/core/multicast.c23
1 files changed, 20 insertions, 3 deletions
diff --git a/drivers/infiniband/core/multicast.c b/drivers/infiniband/core/multicast.c
index a519801dcfb..68b4162fd9d 100644
--- a/drivers/infiniband/core/multicast.c
+++ b/drivers/infiniband/core/multicast.c
@@ -774,6 +774,10 @@ static void mcast_event_handler(struct ib_event_handler *handler,
int index;
dev = container_of(handler, struct mcast_device, event_handler);
+ if (rdma_port_get_link_layer(dev->device, event->element.port_num) !=
+ IB_LINK_LAYER_INFINIBAND)
+ return;
+
index = event->element.port_num - dev->start_port;
switch (event->event) {
@@ -796,6 +800,7 @@ static void mcast_add_one(struct ib_device *device)
struct mcast_device *dev;
struct mcast_port *port;
int i;
+ int count = 0;
if (rdma_node_get_transport(device->node_type) != RDMA_TRANSPORT_IB)
return;
@@ -813,6 +818,9 @@ static void mcast_add_one(struct ib_device *device)
}
for (i = 0; i <= dev->end_port - dev->start_port; i++) {
+ if (rdma_port_get_link_layer(device, dev->start_port + i) !=
+ IB_LINK_LAYER_INFINIBAND)
+ continue;
port = &dev->port[i];
port->dev = dev;
port->port_num = dev->start_port + i;
@@ -820,6 +828,12 @@ static void mcast_add_one(struct ib_device *device)
port->table = RB_ROOT;
init_completion(&port->comp);
atomic_set(&port->refcount, 1);
+ ++count;
+ }
+
+ if (!count) {
+ kfree(dev);
+ return;
}
dev->device = device;
@@ -843,9 +857,12 @@ static void mcast_remove_one(struct ib_device *device)
flush_workqueue(mcast_wq);
for (i = 0; i <= dev->end_port - dev->start_port; i++) {
- port = &dev->port[i];
- deref_port(port);
- wait_for_completion(&port->comp);
+ if (rdma_port_get_link_layer(device, dev->start_port + i) ==
+ IB_LINK_LAYER_INFINIBAND) {
+ port = &dev->port[i];
+ deref_port(port);
+ wait_for_completion(&port->comp);
+ }
}
kfree(dev);