From: Junxian Huang <huangjunxian4@hisilicon.com>
Date: Wed, 25 Aug 2021 17:43:10 +0800
Subject: RDMA/hns: Bugfix for data type of dip_idx
Patch-mainline: v5.15-rc1
Git-commit: 4303e61264c45cb535255c5b76400f5c4ab1305d
References: bsc#1190336 stable-5.14.6
dip_idx is associated with qp_num whose data type is u32. However, dip_idx
is incorrectly defined as u8 data in the hns_roce_dip struct, which leads
to data truncation during value assignment.
Fixes: f91696f2f053 ("RDMA/hns: Support congestion control type selection according to the FW")
Link: https://lore.kernel.org/r/1629884592-23424-2-git-send-email-liangwenpeng@huawei.com
Signed-off-by: Junxian Huang <huangjunxian4@hisilicon.com>
Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/infiniband/hw/hns/hns_roce_hw_v2.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.h
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.h
@@ -1441,7 +1441,7 @@ struct hns_roce_v2_priv {
struct hns_roce_dip {
u8 dgid[GID_LEN_V2];
- u8 dip_idx;
+ u32 dip_idx;
struct list_head node; /* all dips are on a list */
};