[PATCH net-next 11/12] net: hns3: modify the upper limit judgment condition

[Huazhong Tan]

From: liuzhongzhu <liuzhongzhu@xxxxxxxxxx>

In order to prevent the variable anomaly from being larger than desc_num,
the upper limit judgment condition becomes >=.

Signed-off-by: liuzhongzhu <liuzhongzhu@xxxxxxxxxx>
Signed-off-by: Peng Li <lipeng321@xxxxxxxxxx>
Signed-off-by: Huazhong Tan <tanhuazhong@xxxxxxxxxx>
---
 drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c
index 57c50b947857..1dddfcba41a9 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c
@@ -197,7 +197,7 @@ static int hclge_cmd_check_retval(struct hclge_hw *hw, struct hclge_desc *desc,
 	for (handle = 0; handle < num; handle++) {
 		desc[handle] = hw->cmq.csq.desc[ntc];
 		ntc++;
-		if (ntc == hw->cmq.csq.desc_num)
+		if (ntc >= hw->cmq.csq.desc_num)
 			ntc = 0;
 	}
 	if (likely(!hclge_is_special_opcode(opcode)))
@@ -254,7 +254,7 @@ int hclge_cmd_send(struct hclge_hw *hw, struct hclge_desc *desc, int num)
 		desc_to_use = &hw->cmq.csq.desc[hw->cmq.csq.next_to_use];
 		*desc_to_use = desc[handle];
 		(hw->cmq.csq.next_to_use)++;
-		if (hw->cmq.csq.next_to_use == hw->cmq.csq.desc_num)
+		if (hw->cmq.csq.next_to_use >= hw->cmq.csq.desc_num)
 			hw->cmq.csq.next_to_use = 0;
 		handle++;
 	}
-- 
2.20.1