diff options
| author |   Or Gerlitz <ogerlitz@mellanox.com> | 2015-12-18 10:59:45 +0200 |
|---|---|---|
| committer |   Doug Ledford <dledford@redhat.com> | 2015-12-22 14:39:00 -0500 |
| commit | 86bee4c9c126b4f73e3f152cd43c806cac9135ad (patch) | |
| tree | c57b8c7a04f0a415549f5cd2d1c9195ae9a16e20 /drivers/infiniband/core/cma.c | |
| parent | IB/core: Save the device attributes on the device structure (diff) | |
| download | wireguard-linux-86bee4c9c126b4f73e3f152cd43c806cac9135ad.tar.xz wireguard-linux-86bee4c9c126b4f73e3f152cd43c806cac9135ad.zip | |
IB/core: Avoid calling ib_query_device
Use the cached copy of the attributes present on the device, except for
the case of a query originating from user-space, where we have to invoke
the driver query_device entry, so they can fill in their udata.
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/core/cma.c')
| -rw-r--r-- | drivers/infiniband/core/cma.c | 8 |
1 files changed, 0 insertions, 8 deletions
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index d2d5d004f16d..f8dfc6335b66 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -1894,7 +1894,6 @@ static int iw_conn_req_handler(struct iw_cm_id *cm_id, struct rdma_id_private *listen_id, *conn_id; struct rdma_cm_event event; int ret; - struct ib_device_attr attr; struct sockaddr *laddr = (struct sockaddr *)&iw_event->local_addr; struct sockaddr *raddr = (struct sockaddr *)&iw_event->remote_addr; @@ -1936,13 +1935,6 @@ static int iw_conn_req_handler(struct iw_cm_id *cm_id, memcpy(cma_src_addr(conn_id), laddr, rdma_addr_size(laddr)); memcpy(cma_dst_addr(conn_id), raddr, rdma_addr_size(raddr)); - ret = ib_query_device(conn_id->id.device, &attr); - if (ret) { - mutex_unlock(&conn_id->handler_mutex); - rdma_destroy_id(new_cm_id); - goto out; - } - memset(&event, 0, sizeof event); event.event = RDMA_CM_EVENT_CONNECT_REQUEST; event.param.conn.private_data = iw_event->private_data; |