diff options
| author | Or Gerlitz <ogerlitz@mellanox.com> | 2015-12-18 11:59:47 +0300 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2015-12-22 22:39:00 +0300 |
| commit | 0353261c12c3c40483921a872d74d2f90c1bd46b (patch) | |
| tree | f1d87de2736b89db74507a068c1c8264a28d264a /net/rds/iw.c | |
| parent | 4a061b287b1eb58676875cc45929679911d1ca38 (diff) | |
| download | linux-0353261c12c3c40483921a872d74d2f90c1bd46b.tar.xz | |
net/rds: Avoid calling ib_query_device
Instead, use the cached copy of the attributes present on the device.
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'net/rds/iw.c')
| -rw-r--r-- | net/rds/iw.c | 23 |
1 files changed, 5 insertions, 18 deletions
diff --git a/net/rds/iw.c b/net/rds/iw.c index 576f1825fc55..f4a9fff829e0 100644 --- a/net/rds/iw.c +++ b/net/rds/iw.c @@ -60,30 +60,20 @@ LIST_HEAD(iw_nodev_conns); static void rds_iw_add_one(struct ib_device *device) { struct rds_iw_device *rds_iwdev; - struct ib_device_attr *dev_attr; /* Only handle iwarp devices */ if (device->node_type != RDMA_NODE_RNIC) return; - dev_attr = kmalloc(sizeof *dev_attr, GFP_KERNEL); - if (!dev_attr) - return; - - if (ib_query_device(device, dev_attr)) { - rdsdebug("Query device failed for %s\n", device->name); - goto free_attr; - } - rds_iwdev = kmalloc(sizeof *rds_iwdev, GFP_KERNEL); if (!rds_iwdev) - goto free_attr; + return; spin_lock_init(&rds_iwdev->spinlock); - rds_iwdev->dma_local_lkey = !!(dev_attr->device_cap_flags & IB_DEVICE_LOCAL_DMA_LKEY); - rds_iwdev->max_wrs = dev_attr->max_qp_wr; - rds_iwdev->max_sge = min(dev_attr->max_sge, RDS_IW_MAX_SGE); + rds_iwdev->dma_local_lkey = !!(device->attrs.device_cap_flags & IB_DEVICE_LOCAL_DMA_LKEY); + rds_iwdev->max_wrs = device->attrs.max_qp_wr; + rds_iwdev->max_sge = min(device->attrs.max_sge, RDS_IW_MAX_SGE); rds_iwdev->dev = device; rds_iwdev->pd = ib_alloc_pd(device); @@ -111,8 +101,7 @@ static void rds_iw_add_one(struct ib_device *device) list_add_tail(&rds_iwdev->list, &rds_iw_devices); ib_set_client_data(device, &rds_iw_client, rds_iwdev); - - goto free_attr; + return; err_mr: if (rds_iwdev->mr) @@ -121,8 +110,6 @@ err_pd: ib_dealloc_pd(rds_iwdev->pd); free_dev: kfree(rds_iwdev); -free_attr: - kfree(dev_attr); } static void rds_iw_remove_one(struct ib_device *device, void *client_data) |