From: Chengchang Tang <tangchengch...@huawei.com>

Currently, during the VF reset, the VF will send a MBX to inform
PF to reset it and the disable command bit will be set whether
the MBX is successful. Generally, multiple reset attempts are made
after a failure. However, because the command is disabled, all
subsequent reset will all fail.

This patch disable the command only after the MBX message is
successfully.

Fixes: 2790c6464725 ("net/hns3: support device reset")
Cc: sta...@dpdk.org

Signed-off-by: Chengchang Tang <tangchengch...@huawei.com>
Signed-off-by: Lijun Ou <ouli...@huawei.com>
---
 drivers/net/hns3/hns3_ethdev_vf.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/net/hns3/hns3_ethdev_vf.c 
b/drivers/net/hns3/hns3_ethdev_vf.c
index 4f9da4a..a607bd3 100644
--- a/drivers/net/hns3/hns3_ethdev_vf.c
+++ b/drivers/net/hns3/hns3_ethdev_vf.c
@@ -2404,15 +2404,17 @@ static int
 hns3vf_prepare_reset(struct hns3_adapter *hns)
 {
        struct hns3_hw *hw = &hns->hw;
-       int ret = 0;
+       int ret;
 
        if (hw->reset.level == HNS3_VF_FUNC_RESET) {
                ret = hns3_send_mbx_msg(hw, HNS3_MBX_RESET, 0, NULL,
                                        0, true, NULL, 0);
+               if (ret)
+                       return ret;
        }
        __atomic_store_n(&hw->reset.disable_cmd, 1, __ATOMIC_RELAXED);
 
-       return ret;
+       return 0;
 }
 
 static int
-- 
2.7.4

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