2022-04-24 17:44:25

by Guangbin Huang

[permalink] [raw]
Subject: [PATCH net 4/6] net: hns3: modify the return code of hclge_get_ring_chain_from_mbx

From: Jie Wang <[email protected]>

Currently, function hclge_get_ring_chain_from_mbx will return -ENOMEM if
ring_num is bigger than HCLGE_MBX_MAX_RING_CHAIN_PARAM_NUM. It is better to
return -EINVAL for the invalid parameter case.

So this patch fixes it by return -EINVAL in this abnormal branch.

Fixes: 5d02a58dae60 ("net: hns3: fix for buffer overflow smatch warning")
Signed-off-by: Jie Wang <[email protected]>
Signed-off-by: Guangbin Huang <[email protected]>
---
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c
index 6799d16de34b..36cbafc5f944 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c
@@ -176,7 +176,7 @@ static int hclge_get_ring_chain_from_mbx(
ring_num = req->msg.ring_num;

if (ring_num > HCLGE_MBX_MAX_RING_CHAIN_PARAM_NUM)
- return -ENOMEM;
+ return -EINVAL;

for (i = 0; i < ring_num; i++) {
if (req->msg.param[i].tqp_index >= vport->nic.kinfo.rss_size) {
--
2.33.0