RDMA/hns: Remove unused parameter udata

The old version of ib_umem_get() need these udata as a parameter but now
they are unnecessary.

Fixes: c320e527 ("IB: Allow calls to ib_umem_get from kernel ULPs")
Link: https://lore.kernel.org/r/1620807142-39157-2-git-send-email-liweihang@huawei.comSigned-off-by: Lang Cheng <chenglang@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

drivers/infiniband/hw/hns/hns_roce_cq.c

@@ -234,8 +234,7 @@ static int alloc_cq_db(struct hns_roce_dev *hr_dev, struct hns_roce_cq *hr_cq,
 		    udata->outlen >= offsetofend(typeof(*resp), cap_flags)) {
 			uctx = rdma_udata_to_drv_context(udata,
 					struct hns_roce_ucontext, ibucontext);
-			err = hns_roce_db_map_user(uctx, udata, addr,
-						   &hr_cq->db);
+			err = hns_roce_db_map_user(uctx, addr, &hr_cq->db);
 			if (err)
 				return err;
 			hr_cq->flags |= HNS_ROCE_CQ_FLAG_RECORD_DB;

drivers/infiniband/hw/hns/hns_roce_db.c

@@ -8,8 +8,7 @@
 #include <rdma/ib_umem.h>
 #include "hns_roce_device.h"
 
-int hns_roce_db_map_user(struct hns_roce_ucontext *context,
-			 struct ib_udata *udata, unsigned long virt,
+int hns_roce_db_map_user(struct hns_roce_ucontext *context, unsigned long virt,
 			 struct hns_roce_db *db)
 {
 	unsigned long page_addr = virt & PAGE_MASK;

drivers/infiniband/hw/hns/hns_roce_device.h

@@ -1248,8 +1248,7 @@ int hns_roce_create_cq(struct ib_cq *ib_cq, const struct ib_cq_init_attr *attr,
 		       struct ib_udata *udata);
 
 int hns_roce_destroy_cq(struct ib_cq *ib_cq, struct ib_udata *udata);
-int hns_roce_db_map_user(struct hns_roce_ucontext *context,
-			 struct ib_udata *udata, unsigned long virt,
+int hns_roce_db_map_user(struct hns_roce_ucontext *context, unsigned long virt,
 			 struct hns_roce_db *db);
 void hns_roce_db_unmap_user(struct hns_roce_ucontext *context,
 			    struct hns_roce_db *db);

drivers/infiniband/hw/hns/hns_roce_qp.c

@@ -826,7 +826,7 @@ static int alloc_qp_db(struct hns_roce_dev *hr_dev, struct hns_roce_qp *hr_qp,
 
 	if (udata) {
 		if (user_qp_has_sdb(hr_dev, init_attr, udata, resp, ucmd)) {
-			ret = hns_roce_db_map_user(uctx, udata, ucmd->sdb_addr,
+			ret = hns_roce_db_map_user(uctx, ucmd->sdb_addr,
 						   &hr_qp->sdb);
 			if (ret) {
 				ibdev_err(ibdev,
@@ -839,7 +839,7 @@ static int alloc_qp_db(struct hns_roce_dev *hr_dev, struct hns_roce_qp *hr_qp,
 		}
 
 		if (user_qp_has_rdb(hr_dev, init_attr, udata, resp)) {
-			ret = hns_roce_db_map_user(uctx, udata, ucmd->db_addr,
+			ret = hns_roce_db_map_user(uctx, ucmd->db_addr,
 						   &hr_qp->rdb);
 			if (ret) {
 				ibdev_err(ibdev,