netdev - [PATCH net-next 7/9] iavf: use unregister

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Message-ID: <20231023230826.531858-9-jacob.e.keller@intel.com>
Date: Mon, 23 Oct 2023 16:08:24 -0700
From: Jacob Keller <jacob.e.keller@...el.com>
To: netdev@...r.kernel.org,
	David Miller <davem@...emloft.net>,
	Jakub Kicinski <kuba@...nel.org>
Cc: Michal Schmidt <mschmidt@...hat.com>,
	Wojciech Drewek <wojciech.drewek@...el.com>,
	Jacob Keller <jacob.e.keller@...el.com>
Subject: [PATCH net-next 7/9] iavf: use unregister_netdev

From: Michal Schmidt <mschmidt@...hat.com>

Use unregister_netdev, which takes rtnl_lock for us. We don't have to
check the reg_state under rtnl_lock. There's nothing to race with. We
have just cancelled the finish_config work.

Signed-off-by: Michal Schmidt <mschmidt@...hat.com>
Reviewed-by: Wojciech Drewek <wojciech.drewek@...el.com>
Reviewed-by: Jacob Keller <jacob.e.keller@...el.com>
Signed-off-by: Jacob Keller <jacob.e.keller@...el.com>
---
 drivers/net/ethernet/intel/iavf/iavf_main.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/intel/iavf/iavf_main.c b/drivers/net/ethernet/intel/iavf/iavf_main.c
index 6e93e73385b3..85252b9dce50 100644
--- a/drivers/net/ethernet/intel/iavf/iavf_main.c
+++ b/drivers/net/ethernet/intel/iavf/iavf_main.c
@@ -5166,10 +5166,8 @@ static void iavf_remove(struct pci_dev *pdev)
 	cancel_delayed_work_sync(&adapter->watchdog_task);
 	cancel_work_sync(&adapter->finish_config);
 
-	rtnl_lock();
 	if (netdev->reg_state == NETREG_REGISTERED)
-		unregister_netdevice(netdev);
-	rtnl_unlock();
+		unregister_netdev(netdev);
 
 	if (CLIENT_ALLOWED(adapter)) {
 		err = iavf_lan_del_device(adapter);
-- 
2.41.0