diff options
| -rw-r--r-- | drivers/infiniband/core/sa_query.c | 30 |
1 files changed, 24 insertions, 6 deletions
diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c index 262618210c1c..a2c4234ca8a3 100644 --- a/drivers/infiniband/core/sa_query.c +++ b/drivers/infiniband/core/sa_query.c @@ -583,10 +583,16 @@ int ib_sa_path_rec_get(struct ib_device *device, u8 port_num, { struct ib_sa_path_query *query; struct ib_sa_device *sa_dev = ib_get_client_data(device, &sa_client); - struct ib_sa_port *port = &sa_dev->port[port_num - sa_dev->start_port]; - struct ib_mad_agent *agent = port->agent; + struct ib_sa_port *port; + struct ib_mad_agent *agent; int ret; + if (!sa_dev) + return -ENODEV; + + port = &sa_dev->port[port_num - sa_dev->start_port]; + agent = port->agent; + query = kmalloc(sizeof *query, gfp_mask); if (!query) return -ENOMEM; @@ -685,10 +691,16 @@ int ib_sa_service_rec_query(struct ib_device *device, u8 port_num, u8 method, { struct ib_sa_service_query *query; struct ib_sa_device *sa_dev = ib_get_client_data(device, &sa_client); - struct ib_sa_port *port = &sa_dev->port[port_num - sa_dev->start_port]; - struct ib_mad_agent *agent = port->agent; + struct ib_sa_port *port; + struct ib_mad_agent *agent; int ret; + if (!sa_dev) + return -ENODEV; + + port = &sa_dev->port[port_num - sa_dev->start_port]; + agent = port->agent; + if (method != IB_MGMT_METHOD_GET && method != IB_MGMT_METHOD_SET && method != IB_SA_METHOD_DELETE) @@ -768,10 +780,16 @@ int ib_sa_mcmember_rec_query(struct ib_device *device, u8 port_num, { struct ib_sa_mcmember_query *query; struct ib_sa_device *sa_dev = ib_get_client_data(device, &sa_client); - struct ib_sa_port *port = &sa_dev->port[port_num - sa_dev->start_port]; - struct ib_mad_agent *agent = port->agent; + struct ib_sa_port *port; + struct ib_mad_agent *agent; int ret; + if (!sa_dev) + return -ENODEV; + + port = &sa_dev->port[port_num - sa_dev->start_port]; + agent = port->agent; + query = kmalloc(sizeof *query, gfp_mask); if (!query) return -ENOMEM; |