linux-kernel - [PATCH 5.14 064/162] net: hns3: fix inconsistent vf id print

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Date:   Mon, 27 Sep 2021 19:01:50 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Jian Shen <shenjian15@...wei.com>,
        Guangbin Huang <huangguangbin2@...wei.com>,
        "David S. Miller" <davem@...emloft.net>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.14 064/162] net: hns3: fix inconsistent vf id print

From: Jian Shen <shenjian15@...wei.com>

[ Upstream commit 91bc0d5272d3a4dc3d4fd2a74387c7e7361bbe96 ]

The vf id from ethtool is added 1 before configured to driver.
So it's necessary to minus 1 when printing it, in order to
keep consistent with user's configuration.

Fixes: dd74f815dd41 ("net: hns3: Add support for rule add/delete for flow director")
Signed-off-by: Jian Shen <shenjian15@...wei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@...wei.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index 40c4949eed4d..45faf924bc36 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -6635,10 +6635,13 @@ static int hclge_fd_parse_ring_cookie(struct hclge_dev *hdev, u64 ring_cookie,
 		u8 vf = ethtool_get_flow_spec_ring_vf(ring_cookie);
 		u16 tqps;
 
+		/* To keep consistent with user's configuration, minus 1 when
+		 * printing 'vf', because vf id from ethtool is added 1 for vf.
+		 */
 		if (vf > hdev->num_req_vfs) {
 			dev_err(&hdev->pdev->dev,
-				"Error: vf id (%u) > max vf num (%u)\n",
-				vf, hdev->num_req_vfs);
+				"Error: vf id (%u) should be less than %u\n",
+				vf - 1, hdev->num_req_vfs);
 			return -EINVAL;
 		}
 
-- 
2.33.0