linux-kernel - [PATCH net-next 06/12] net: hns3: modify parameter checks in the hns3_set

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Message-ID: <1547799194-38212-7-git-send-email-tanhuazhong@huawei.com>
Date:   Fri, 18 Jan 2019 16:13:08 +0800
From:   Huazhong Tan <tanhuazhong@...wei.com>
To:     <davem@...emloft.net>
CC:     <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <salil.mehta@...wei.com>, <yisen.zhuang@...wei.com>,
        <linuxarm@...wei.com>, Huazhong Tan <tanhuazhong@...wei.com>,
        Yunsheng Lin <linyunsheng@...wei.com>,
        Peng Li <lipeng321@...wei.com>
Subject: [PATCH net-next 06/12] net: hns3: modify parameter checks in the hns3_set_channels

The number of queues for each enabled TC should range from 1 to
the maximum available value, and return directly if the value
is same as the current one.

Signed-off-by: Huazhong Tan <tanhuazhong@...wei.com>
Signed-off-by: Yunsheng Lin <linyunsheng@...wei.com>
Signed-off-by: Peng Li <lipeng321@...wei.com>
---
 drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index 0cd70d7..0bda9bd 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -4157,15 +4157,14 @@ int hns3_set_channels(struct net_device *netdev,
 		return -EINVAL;
 
 	if (new_tqp_num > hns3_get_max_available_channels(h) ||
-	    new_tqp_num < kinfo->num_tc) {
+	    new_tqp_num < 1) {
 		dev_err(&netdev->dev,
-			"Change tqps fail, the tqp range is from %d to %d",
-			kinfo->num_tc,
+			"Change tqps fail, the tqp range is from 1 to %d",
 			hns3_get_max_available_channels(h));
 		return -EINVAL;
 	}
 
-	if (kinfo->num_tqps == new_tqp_num)
+	if (kinfo->rss_size == new_tqp_num)
 		return 0;
 
 	ret = hns3_reset_notify(h, HNAE3_DOWN_CLIENT);
-- 
2.7.4