summaryrefslogtreecommitdiffstats
path: root/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/infiniband/hw/ocrdma/ocrdma_verbs.c')
-rw-r--r--drivers/infiniband/hw/ocrdma/ocrdma_verbs.c47
1 files changed, 20 insertions, 27 deletions
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
index cf7aeb963dce..ffdd3ac55086 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
@@ -1805,45 +1805,43 @@ static int ocrdma_copy_srq_uresp(struct ocrdma_dev *dev, struct ocrdma_srq *srq,
return status;
}
-struct ib_srq *ocrdma_create_srq(struct ib_pd *ibpd,
- struct ib_srq_init_attr *init_attr,
- struct ib_udata *udata)
+int ocrdma_create_srq(struct ib_srq *ibsrq, struct ib_srq_init_attr *init_attr,
+ struct ib_udata *udata)
{
- int status = -ENOMEM;
- struct ocrdma_pd *pd = get_ocrdma_pd(ibpd);
- struct ocrdma_dev *dev = get_ocrdma_dev(ibpd->device);
- struct ocrdma_srq *srq;
+ int status;
+ struct ocrdma_pd *pd = get_ocrdma_pd(ibsrq->pd);
+ struct ocrdma_dev *dev = get_ocrdma_dev(ibsrq->device);
+ struct ocrdma_srq *srq = get_ocrdma_srq(ibsrq);
if (init_attr->attr.max_sge > dev->attr.max_recv_sge)
- return ERR_PTR(-EINVAL);
+ return -EINVAL;
if (init_attr->attr.max_wr > dev->attr.max_rqe)
- return ERR_PTR(-EINVAL);
-
- srq = kzalloc(sizeof(*srq), GFP_KERNEL);
- if (!srq)
- return ERR_PTR(status);
+ return -EINVAL;
spin_lock_init(&srq->q_lock);
srq->pd = pd;
srq->db = dev->nic_info.db + (pd->id * dev->nic_info.db_page_size);
status = ocrdma_mbx_create_srq(dev, srq, init_attr, pd);
if (status)
- goto err;
+ return status;
- if (udata == NULL) {
- status = -ENOMEM;
+ if (!udata) {
srq->rqe_wr_id_tbl = kcalloc(srq->rq.max_cnt, sizeof(u64),
GFP_KERNEL);
- if (srq->rqe_wr_id_tbl == NULL)
+ if (!srq->rqe_wr_id_tbl) {
+ status = -ENOMEM;
goto arm_err;
+ }
srq->bit_fields_len = (srq->rq.max_cnt / 32) +
(srq->rq.max_cnt % 32 ? 1 : 0);
srq->idx_bit_fields =
kmalloc_array(srq->bit_fields_len, sizeof(u32),
GFP_KERNEL);
- if (srq->idx_bit_fields == NULL)
+ if (!srq->idx_bit_fields) {
+ status = -ENOMEM;
goto arm_err;
+ }
memset(srq->idx_bit_fields, 0xff,
srq->bit_fields_len * sizeof(u32));
}
@@ -1860,15 +1858,13 @@ struct ib_srq *ocrdma_create_srq(struct ib_pd *ibpd,
goto arm_err;
}
- return &srq->ibsrq;
+ return 0;
arm_err:
ocrdma_mbx_destroy_srq(dev, srq);
-err:
kfree(srq->rqe_wr_id_tbl);
kfree(srq->idx_bit_fields);
- kfree(srq);
- return ERR_PTR(status);
+ return status;
}
int ocrdma_modify_srq(struct ib_srq *ibsrq,
@@ -1897,15 +1893,14 @@ int ocrdma_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *srq_attr)
return status;
}
-int ocrdma_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata)
+void ocrdma_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata)
{
- int status;
struct ocrdma_srq *srq;
struct ocrdma_dev *dev = get_ocrdma_dev(ibsrq->device);
srq = get_ocrdma_srq(ibsrq);
- status = ocrdma_mbx_destroy_srq(dev, srq);
+ ocrdma_mbx_destroy_srq(dev, srq);
if (srq->pd->uctx)
ocrdma_del_mmap(srq->pd->uctx, (u64) srq->rq.pa,
@@ -1913,8 +1908,6 @@ int ocrdma_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata)
kfree(srq->idx_bit_fields);
kfree(srq->rqe_wr_id_tbl);
- kfree(srq);
- return status;
}
/* unprivileged verbs and their support functions. */