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path: root/drivers/infiniband/core/verbs.c
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Diffstat (limited to 'drivers/infiniband/core/verbs.c')
-rw-r--r--drivers/infiniband/core/verbs.c73
1 files changed, 41 insertions, 32 deletions
diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c
index ac011836bb54..5a5e83f5f0fc 100644
--- a/drivers/infiniband/core/verbs.c
+++ b/drivers/infiniband/core/verbs.c
@@ -254,10 +254,11 @@ struct ib_pd *__ib_alloc_pd(struct ib_device *device, unsigned int flags,
{
struct ib_pd *pd;
int mr_access_flags = 0;
+ int ret;
- pd = device->ops.alloc_pd(device, NULL, NULL);
- if (IS_ERR(pd))
- return pd;
+ pd = rdma_zalloc_drv_obj(device, ib_pd);
+ if (!pd)
+ return ERR_PTR(-ENOMEM);
pd->device = device;
pd->uobject = NULL;
@@ -265,6 +266,16 @@ struct ib_pd *__ib_alloc_pd(struct ib_device *device, unsigned int flags,
atomic_set(&pd->usecnt, 0);
pd->flags = flags;
+ pd->res.type = RDMA_RESTRACK_PD;
+ rdma_restrack_set_task(&pd->res, caller);
+
+ ret = device->ops.alloc_pd(pd, NULL, NULL);
+ if (ret) {
+ kfree(pd);
+ return ERR_PTR(ret);
+ }
+ rdma_restrack_kadd(&pd->res);
+
if (device->attrs.device_cap_flags & IB_DEVICE_LOCAL_DMA_LKEY)
pd->local_dma_lkey = device->local_dma_lkey;
else
@@ -275,10 +286,6 @@ struct ib_pd *__ib_alloc_pd(struct ib_device *device, unsigned int flags,
mr_access_flags |= IB_ACCESS_REMOTE_READ | IB_ACCESS_REMOTE_WRITE;
}
- pd->res.type = RDMA_RESTRACK_PD;
- rdma_restrack_set_task(&pd->res, caller);
- rdma_restrack_kadd(&pd->res);
-
if (mr_access_flags) {
struct ib_mr *mr;
@@ -329,10 +336,8 @@ void ib_dealloc_pd(struct ib_pd *pd)
WARN_ON(atomic_read(&pd->usecnt));
rdma_restrack_del(&pd->res);
- /* Making delalloc_pd a void return is a WIP, no driver should return
- an error here. */
- ret = pd->device->ops.dealloc_pd(pd);
- WARN_ONCE(ret, "Infiniband HW driver failed dealloc_pd");
+ pd->device->ops.dealloc_pd(pd);
+ kfree(pd);
}
EXPORT_SYMBOL(ib_dealloc_pd);
@@ -1106,8 +1111,8 @@ struct ib_qp *ib_open_qp(struct ib_xrcd *xrcd,
}
EXPORT_SYMBOL(ib_open_qp);
-static struct ib_qp *ib_create_xrc_qp(struct ib_qp *qp,
- struct ib_qp_init_attr *qp_init_attr)
+static struct ib_qp *create_xrc_qp(struct ib_qp *qp,
+ struct ib_qp_init_attr *qp_init_attr)
{
struct ib_qp *real_qp = qp;
@@ -1122,10 +1127,10 @@ static struct ib_qp *ib_create_xrc_qp(struct ib_qp *qp,
qp = __ib_open_qp(real_qp, qp_init_attr->event_handler,
qp_init_attr->qp_context);
- if (!IS_ERR(qp))
- __ib_insert_xrcd_qp(qp_init_attr->xrcd, real_qp);
- else
- real_qp->device->ops.destroy_qp(real_qp);
+ if (IS_ERR(qp))
+ return qp;
+
+ __ib_insert_xrcd_qp(qp_init_attr->xrcd, real_qp);
return qp;
}
@@ -1156,10 +1161,8 @@ struct ib_qp *ib_create_qp(struct ib_pd *pd,
return qp;
ret = ib_create_qp_security(qp, device);
- if (ret) {
- ib_destroy_qp(qp);
- return ERR_PTR(ret);
- }
+ if (ret)
+ goto err;
qp->real_qp = qp;
qp->qp_type = qp_init_attr->qp_type;
@@ -1172,8 +1175,15 @@ struct ib_qp *ib_create_qp(struct ib_pd *pd,
INIT_LIST_HEAD(&qp->sig_mrs);
qp->port = 0;
- if (qp_init_attr->qp_type == IB_QPT_XRC_TGT)
- return ib_create_xrc_qp(qp, qp_init_attr);
+ if (qp_init_attr->qp_type == IB_QPT_XRC_TGT) {
+ struct ib_qp *xrc_qp = create_xrc_qp(qp, qp_init_attr);
+
+ if (IS_ERR(xrc_qp)) {
+ ret = PTR_ERR(xrc_qp);
+ goto err;
+ }
+ return xrc_qp;
+ }
qp->event_handler = qp_init_attr->event_handler;
qp->qp_context = qp_init_attr->qp_context;
@@ -1200,11 +1210,8 @@ struct ib_qp *ib_create_qp(struct ib_pd *pd,
if (qp_init_attr->cap.max_rdma_ctxs) {
ret = rdma_rw_init_mrs(qp, qp_init_attr);
- if (ret) {
- pr_err("failed to init MR pool ret= %d\n", ret);
- ib_destroy_qp(qp);
- return ERR_PTR(ret);
- }
+ if (ret)
+ goto err;
}
/*
@@ -1217,6 +1224,11 @@ struct ib_qp *ib_create_qp(struct ib_pd *pd,
device->attrs.max_sge_rd);
return qp;
+
+err:
+ ib_destroy_qp(qp);
+ return ERR_PTR(ret);
+
}
EXPORT_SYMBOL(ib_create_qp);
@@ -1711,10 +1723,7 @@ int ib_get_eth_speed(struct ib_device *dev, u8 port_num, u8 *speed, u8 *width)
if (rdma_port_get_link_layer(dev, port_num) != IB_LINK_LAYER_ETHERNET)
return -EINVAL;
- if (!dev->ops.get_netdev)
- return -EOPNOTSUPP;
-
- netdev = dev->ops.get_netdev(dev, port_num);
+ netdev = ib_device_get_netdev(dev, port_num);
if (!netdev)
return -ENODEV;