1 files changed, 18 insertions, 18 deletions

diff --git a/drivers/infiniband/hw/hns/hns_roce_mr.c b/drivers/infiniband/hw/hns/hns_roce_mr.c
index 9e05b57a2d67..55b9283bfc6f 100644
--- a/drivers/infiniband/hw/hns/hns_roce_mr.c
+++ b/drivers/infiniband/hw/hns/hns_roce_mr.c
@@ -138,8 +138,8 @@ static void hns_roce_mr_free(struct hns_roce_dev *hr_dev, struct hns_roce_mr *mr
 					      key_to_hw_index(mr->key) &
 					      (hr_dev->caps.num_mtpts - 1));
 		if (ret)
-			ibdev_warn(ibdev, "failed to destroy mpt, ret = %d.\n",
-				   ret);
+			ibdev_warn_ratelimited(ibdev, "failed to destroy mpt, ret = %d.\n",
+					       ret);
 	}
 
 	free_mr_pbl(hr_dev, mr);
@@ -162,7 +162,7 @@ static int hns_roce_mr_enable(struct hns_roce_dev *hr_dev,
 	if (mr->type != MR_TYPE_FRMR)
 		ret = hr_dev->hw->write_mtpt(hr_dev, mailbox->buf, mr);
 	else
-		ret = hr_dev->hw->frmr_write_mtpt(hr_dev, mailbox->buf, mr);
+		ret = hr_dev->hw->frmr_write_mtpt(mailbox->buf, mr);
 	if (ret) {
 		dev_err(dev, "failed to write mtpt, ret = %d.\n", ret);
 		goto err_page;
@@ -435,24 +435,30 @@ static int hns_roce_set_page(struct ib_mr *ibmr, u64 addr)
 }
 
 int hns_roce_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents,
-		       unsigned int *sg_offset)
+		       unsigned int *sg_offset_p)
 {
+	unsigned int sg_offset = sg_offset_p ? *sg_offset_p : 0;
 	struct hns_roce_dev *hr_dev = to_hr_dev(ibmr->device);
 	struct ib_device *ibdev = &hr_dev->ib_dev;
 	struct hns_roce_mr *mr = to_hr_mr(ibmr);
 	struct hns_roce_mtr *mtr = &mr->pbl_mtr;
-	int ret = 0;
+	int ret, sg_num = 0;
+
+	if (!IS_ALIGNED(sg_offset, HNS_ROCE_FRMR_ALIGN_SIZE) ||
+	    ibmr->page_size < HNS_HW_PAGE_SIZE ||
+	    ibmr->page_size > HNS_HW_MAX_PAGE_SIZE)
+		return sg_num;
 
 	mr->npages = 0;
 	mr->page_list = kvcalloc(mr->pbl_mtr.hem_cfg.buf_pg_count,
 				 sizeof(dma_addr_t), GFP_KERNEL);
 	if (!mr->page_list)
-		return ret;
+		return sg_num;
 
-	ret = ib_sg_to_pages(ibmr, sg, sg_nents, sg_offset, hns_roce_set_page);
-	if (ret < 1) {
+	sg_num = ib_sg_to_pages(ibmr, sg, sg_nents, sg_offset_p, hns_roce_set_page);
+	if (sg_num < 1) {
 		ibdev_err(ibdev, "failed to store sg pages %u %u, cnt = %d.\n",
-			  mr->npages, mr->pbl_mtr.hem_cfg.buf_pg_count, ret);
+			  mr->npages, mr->pbl_mtr.hem_cfg.buf_pg_count, sg_num);
 		goto err_page_list;
 	}
 
@@ -463,17 +469,16 @@ int hns_roce_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents,
 	ret = hns_roce_mtr_map(hr_dev, mtr, mr->page_list, mr->npages);
 	if (ret) {
 		ibdev_err(ibdev, "failed to map sg mtr, ret = %d.\n", ret);
-		ret = 0;
+		sg_num = 0;
 	} else {
 		mr->pbl_mtr.hem_cfg.buf_pg_shift = (u32)ilog2(ibmr->page_size);
-		ret = mr->npages;
 	}
 
 err_page_list:
 	kvfree(mr->page_list);
 	mr->page_list = NULL;
 
-	return ret;
+	return sg_num;
 }
 
 static void hns_roce_mw_free(struct hns_roce_dev *hr_dev,
@@ -756,7 +761,7 @@ static int mtr_map_bufs(struct hns_roce_dev *hr_dev, struct hns_roce_mtr *mtr)
 		return -ENOMEM;
 
 	if (mtr->umem)
-		npage = hns_roce_get_umem_bufs(hr_dev, pages, page_count,
+		npage = hns_roce_get_umem_bufs(pages, page_count,
 					       mtr->umem, page_shift);
 	else
 		npage = hns_roce_get_kmem_bufs(hr_dev, pages, page_count,
@@ -809,11 +814,6 @@ int hns_roce_mtr_map(struct hns_roce_dev *hr_dev, struct hns_roce_mtr *mtr,
 	for (i = 0, mapped_cnt = 0; i < mtr->hem_cfg.region_count &&
 	     mapped_cnt < page_cnt; i++) {
 		r = &mtr->hem_cfg.region[i];
-		/* if hopnum is 0, no need to map pages in this region */
-		if (!r->hopnum) {
-			mapped_cnt += r->count;
-			continue;
-		}
 
 		if (r->offset + r->count > page_cnt) {
 			ret = -EINVAL;