linux-kernel - [PATCH net-next 03/12] net: hns3: not reset vport who not alive when PF reset

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Message-ID: <1554536616-24977-4-git-send-email-tanhuazhong@huawei.com>
Date:   Sat, 6 Apr 2019 15:43:27 +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>,
        Peng Li <lipeng321@...wei.com>
Subject: [PATCH net-next 03/12] net: hns3: not reset vport who not alive when PF reset

If a vport is not alive, it is unnecessary to notify it to reset
before PF asserting a reset. So before inform vport to reset,
we need to check its alive state firstly.

Fixes: aa5c4f175be6 ("net: hns3: add reset handling for VF when doing PF reset")
Signed-off-by: Huazhong Tan <tanhuazhong@...wei.com>
Signed-off-by: Peng Li <lipeng321@...wei.com>
---
 drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index 62e3436d..693dfdd 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -2677,7 +2677,7 @@ static int hclge_set_all_vf_rst(struct hclge_dev *hdev, bool reset)
 			return ret;
 		}
 
-		if (!reset)
+		if (!reset || !test_bit(HCLGE_VPORT_STATE_ALIVE, &vport->state))
 			continue;
 
 		/* Inform VF to process the reset.
-- 
2.7.4