It will prevent multiply overflow when defines the
pbl for u64 type.
Signed-off-by: Lijun Ou <oulijun@xxxxxxxxxx>
---
drivers/infiniband/hw/hns/hns_roce_mr.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/infiniband/hw/hns/hns_roce_mr.c b/drivers/infiniband/hw/hns/hns_roce_mr.c
index fabc95d..ee5991b 100644
--- a/drivers/infiniband/hw/hns/hns_roce_mr.c
+++ b/drivers/infiniband/hw/hns/hns_roce_mr.c
@@ -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;
--
1.9.1
