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[for-next,1/3] RDMA/hns: Bugfix for data type of dip_idx

Message ID 1629884592-23424-2-git-send-email-liangwenpeng@huawei.com (mailing list archive)
State Accepted
Delegated to: Jason Gunthorpe
Headers show
Series RDMA/hns: Fix some errors in the congestion control algorithm | expand

Commit Message

Wenpeng Liang Aug. 25, 2021, 9:43 a.m. UTC 
From: Junxian Huang <huangjunxian4@hisilicon.com>

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")

Signed-off-by: Junxian Huang <huangjunxian4@hisilicon.com>
Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com>
---
 drivers/infiniband/hw/hns/hns_roce_hw_v2.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.h b/drivers/infiniband/hw/hns/hns_roce_hw_v2.h
index 54c1223..0b91a1a 100644
--- 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 */
 };