[PATCH 7/7] net/hns3: fix unrelease some resources on reset case

[Dengdui Huang <huangdengdui@huawei.com>]

Some resources, like, unmapping Rx interrupt, doesn't perform
when execute dev_stop on reset. This will lead to other issues.

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

Signed-off-by: Dengdui Huang <huangdengdui@huawei.com>
---
 drivers/net/hns3/hns3_ethdev.c | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/drivers/net/hns3/hns3_ethdev.c b/drivers/net/hns3/hns3_ethdev.c
index 2d4e348442..9f99525e70 100644
--- a/drivers/net/hns3/hns3_ethdev.c
+++ b/drivers/net/hns3/hns3_ethdev.c
@@ -5219,20 +5219,23 @@ hns3_dev_stop(struct rte_eth_dev *dev)
 	struct hns3_hw *hw = &hns->hw;
 
 	PMD_INIT_FUNC_TRACE();
+	if (rte_atomic_load_explicit(&hw->reset.resetting, rte_memory_order_relaxed) != 0) {
+		hns3_warn(hw, "device is resetting, stop operation is not allowed.");
+		return -EBUSY;
+	}
+
 	dev->data->dev_started = 0;
 
 	hw->adapter_state = HNS3_NIC_STOPPING;
 	hns3_stop_rxtx_datapath(dev);
 
 	rte_spinlock_lock(&hw->lock);
-	if (rte_atomic_load_explicit(&hw->reset.resetting, rte_memory_order_relaxed) == 0) {
-		hns3_tm_dev_stop_proc(hw);
-		hns3_config_mac_tnl_int(hw, false);
-		hns3_stop_tqps(hw);
-		hns3_do_stop(hns);
-		hns3_unmap_rx_interrupt(dev);
-		hw->adapter_state = HNS3_NIC_CONFIGURED;
-	}
+	hns3_tm_dev_stop_proc(hw);
+	hns3_config_mac_tnl_int(hw, false);
+	hns3_stop_tqps(hw);
+	hns3_do_stop(hns);
+	hns3_unmap_rx_interrupt(dev);
+	hw->adapter_state = HNS3_NIC_CONFIGURED;
 	hns3_rx_scattered_reset(dev);
 	rte_eal_alarm_cancel(hns3_service_handler, dev);
 	hns3_stop_report_lse(dev);
-- 
2.33.0