RDMA/hns: Fix the bug while use multi-hop of pbl (4af07f01) · Commits · 戴 / test

drivers/infiniband/hw/hns/hns_roce_mr.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -1128,14 +1128,14 @@ struct ib_mr hns_roce_reg_user_mr(struct ib_pd pd, u64 start, u64 length,
		goto err_umem;
		}
		} else {
		int pbl_size = 1;
		u64 pbl_size = 1;

		bt_size = (1 << (hr_dev->caps.pbl_ba_pg_sz + PAGE_SHIFT)) / 8;
		for (i = 0; i < hr_dev->caps.pbl_hop_num; i++)
		pbl_size *= bt_size;
		if (n > pbl_size) {
		dev_err(dev,
		" MR len %lld err. MR page num is limited to %d!\n",
		" MR len %lld err. MR page num is limited to %lld!\n",
		length, pbl_size);
		ret = -EINVAL;
		goto err_umem;