diff mbox series

[for-next,10/10] RDMA/hns: Fix the bug while use multi-hop of pbl

Message ID 1540624524-118822-11-git-send-email-oulijun@huawei.com (mailing list archive)
State Changes Requested
Delegated to: Jason Gunthorpe
Headers show
Series hns misc updates for 4.20 | expand

Commit Message

Lijun Ou Oct. 27, 2018, 7:15 a.m. UTC 
It will access the border when defines the pbl for int and.
This patch fix it.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
---
 drivers/infiniband/hw/hns/hns_roce_mr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/infiniband/hw/hns/hns_roce_mr.c b/drivers/infiniband/hw/hns/hns_roce_mr.c
index fabc95d..d9e4e04 100644
--- a/drivers/infiniband/hw/hns/hns_roce_mr.c
+++ b/drivers/infiniband/hw/hns/hns_roce_mr.c
@@ -1128,7 +1128,7 @@  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++)