netdev - [PATCH iwl-next 1/4] iavf: rely on netdev's own registered state

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Date: Mon, 16 Oct 2023 18:48:46 +0200
From: Michal Schmidt <mschmidt@...hat.com>
To: intel-wired-lan@...ts.osuosl.org
Cc: Tony Nguyen <anthony.l.nguyen@...el.com>,
	Jesse Brandeburg <jesse.brandeburg@...el.com>,
	netdev@...r.kernel.org
Subject: [PATCH iwl-next 1/4] iavf: rely on netdev's own registered state

The information whether a netdev has been registered is already present
in the netdev itself. There's no need for a driver flag with the same
meaning.

Signed-off-by: Michal Schmidt <mschmidt@...hat.com>
---
 drivers/net/ethernet/intel/iavf/iavf.h      | 1 -
 drivers/net/ethernet/intel/iavf/iavf_main.c | 9 +++------
 2 files changed, 3 insertions(+), 7 deletions(-)

diff --git a/drivers/net/ethernet/intel/iavf/iavf.h b/drivers/net/ethernet/intel/iavf/iavf.h
index 44daf335e8c5..f026d0670338 100644
--- a/drivers/net/ethernet/intel/iavf/iavf.h
+++ b/drivers/net/ethernet/intel/iavf/iavf.h
@@ -377,7 +377,6 @@ struct iavf_adapter {
 	unsigned long crit_section;
 
 	struct delayed_work watchdog_task;
-	bool netdev_registered;
 	bool link_up;
 	enum virtchnl_link_speed link_speed;
 	/* This is only populated if the VIRTCHNL_VF_CAP_ADV_LINK_SPEED is set
diff --git a/drivers/net/ethernet/intel/iavf/iavf_main.c b/drivers/net/ethernet/intel/iavf/iavf_main.c
index f35d74566faa..d2f4648a6156 100644
--- a/drivers/net/ethernet/intel/iavf/iavf_main.c
+++ b/drivers/net/ethernet/intel/iavf/iavf_main.c
@@ -2021,7 +2021,7 @@ static void iavf_finish_config(struct work_struct *work)
 	mutex_lock(&adapter->crit_lock);
 
 	if ((adapter->flags & IAVF_FLAG_SETUP_NETDEV_FEATURES) &&
-	    adapter->netdev_registered &&
+	    adapter->netdev->reg_state == NETREG_REGISTERED &&
 	    !test_bit(__IAVF_IN_REMOVE_TASK, &adapter->crit_section)) {
 		netdev_update_features(adapter->netdev);
 		adapter->flags &= ~IAVF_FLAG_SETUP_NETDEV_FEATURES;
@@ -2029,7 +2029,7 @@ static void iavf_finish_config(struct work_struct *work)
 
 	switch (adapter->state) {
 	case __IAVF_DOWN:
-		if (!adapter->netdev_registered) {
+		if (adapter->netdev->reg_state != NETREG_REGISTERED) {
 			err = register_netdevice(adapter->netdev);
 			if (err) {
 				dev_err(&adapter->pdev->dev, "Unable to register netdev (%d)\n",
@@ -2043,7 +2043,6 @@ static void iavf_finish_config(struct work_struct *work)
 						  __IAVF_INIT_CONFIG_ADAPTER);
 				goto out;
 			}
-			adapter->netdev_registered = true;
 		}
 
 		/* Set the real number of queues when reset occurs while
@@ -5173,10 +5172,8 @@ static void iavf_remove(struct pci_dev *pdev)
 	cancel_work_sync(&adapter->finish_config);
 
 	rtnl_lock();
-	if (adapter->netdev_registered) {
+	if (netdev->reg_state == NETREG_REGISTERED)
 		unregister_netdevice(netdev);
-		adapter->netdev_registered = false;
-	}
 	rtnl_unlock();
 
 	if (CLIENT_ALLOWED(adapter)) {
-- 
2.41.0