diff options
Diffstat (limited to 'net/rds/ib.c')
| -rw-r--r-- | net/rds/ib.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/net/rds/ib.c b/net/rds/ib.c index a792d8a3872a..90212ed3edf1 100644 --- a/net/rds/ib.c +++ b/net/rds/ib.c @@ -127,19 +127,20 @@ void rds_ib_dev_put(struct rds_ib_device *rds_ibdev) queue_work(rds_wq, &rds_ibdev->free_work); } -static void rds_ib_add_one(struct ib_device *device) +static int rds_ib_add_one(struct ib_device *device) { struct rds_ib_device *rds_ibdev; bool has_fr, has_fmr; + int ret; /* Only handle IB (no iWARP) devices */ if (device->node_type != RDMA_NODE_IB_CA) - return; + return -EOPNOTSUPP; rds_ibdev = kzalloc_node(sizeof(struct rds_ib_device), GFP_KERNEL, ibdev_to_node(device)); if (!rds_ibdev) - return; + return -ENOMEM; spin_lock_init(&rds_ibdev->spinlock); refcount_set(&rds_ibdev->refcount, 1); @@ -182,12 +183,14 @@ static void rds_ib_add_one(struct ib_device *device) if (!rds_ibdev->vector_load) { pr_err("RDS/IB: %s failed to allocate vector memory\n", __func__); + ret = -ENOMEM; goto put_dev; } rds_ibdev->dev = device; rds_ibdev->pd = ib_alloc_pd(device, 0); if (IS_ERR(rds_ibdev->pd)) { + ret = PTR_ERR(rds_ibdev->pd); rds_ibdev->pd = NULL; goto put_dev; } @@ -195,12 +198,15 @@ static void rds_ib_add_one(struct ib_device *device) device->dma_device, sizeof(struct rds_header), L1_CACHE_BYTES, 0); - if (!rds_ibdev->rid_hdrs_pool) + if (!rds_ibdev->rid_hdrs_pool) { + ret = -ENOMEM; goto put_dev; + } rds_ibdev->mr_1m_pool = rds_ib_create_mr_pool(rds_ibdev, RDS_IB_MR_1M_POOL); if (IS_ERR(rds_ibdev->mr_1m_pool)) { + ret = PTR_ERR(rds_ibdev->mr_1m_pool); rds_ibdev->mr_1m_pool = NULL; goto put_dev; } @@ -208,6 +214,7 @@ static void rds_ib_add_one(struct ib_device *device) rds_ibdev->mr_8k_pool = rds_ib_create_mr_pool(rds_ibdev, RDS_IB_MR_8K_POOL); if (IS_ERR(rds_ibdev->mr_8k_pool)) { + ret = PTR_ERR(rds_ibdev->mr_8k_pool); rds_ibdev->mr_8k_pool = NULL; goto put_dev; } @@ -227,12 +234,13 @@ static void rds_ib_add_one(struct ib_device *device) refcount_inc(&rds_ibdev->refcount); ib_set_client_data(device, &rds_ib_client, rds_ibdev); - refcount_inc(&rds_ibdev->refcount); rds_ib_nodev_connect(); + return 0; put_dev: rds_ib_dev_put(rds_ibdev); + return ret; } /* @@ -274,9 +282,6 @@ static void rds_ib_remove_one(struct ib_device *device, void *client_data) { struct rds_ib_device *rds_ibdev = client_data; - if (!rds_ibdev) - return; - rds_ib_dev_shutdown(rds_ibdev); /* stop connection attempts from getting a reference to this device. */ |