[PATCH 2/2] i40e: Fix devlink port unregistering
From: Ivan Vecera
Date:  Tue Oct 24 2023 - 08:43:46 EST
Ensure that devlink port is unregistered after unregistering
of net device.
Reproducer:
[root@host ~]# rmmod i40e
[ 4742.939386] i40e 0000:02:00.1: i40e_ptp_stop: removed PHC on enp2s0f1np1
[ 4743.059269] ------------[ cut here ]------------
[ 4743.063900] WARNING: CPU: 21 PID: 10766 at net/devlink/port.c:1078 devl_port_unregister+0x69/0x80
...
Fixes: 9e479d64dc58 ("i40e: Add initial devlink support")
Signed-off-by: Ivan Vecera <ivecera@xxxxxxxxxx>
---
 drivers/net/ethernet/intel/i40e/i40e_main.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index df058540d277..3f396c100835 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -14181,8 +14181,7 @@ int i40e_vsi_release(struct i40e_vsi *vsi)
 	}
 	set_bit(__I40E_VSI_RELEASING, vsi->state);
 	uplink_seid = vsi->uplink_seid;
-	if (vsi->type == I40E_VSI_MAIN)
-		i40e_devlink_destroy_port(pf);
+
 	if (vsi->type != I40E_VSI_SRIOV) {
 		if (vsi->netdev_registered) {
 			vsi->netdev_registered = false;
@@ -14196,6 +14195,9 @@ int i40e_vsi_release(struct i40e_vsi *vsi)
 		i40e_vsi_disable_irq(vsi);
 	}
 
+	if (vsi->type == I40E_VSI_MAIN)
+		i40e_devlink_destroy_port(pf);
+
 	spin_lock_bh(&vsi->mac_filter_hash_lock);
 
 	/* clear the sync flag on all filters */
@@ -14370,14 +14372,14 @@ static struct i40e_vsi *i40e_vsi_reinit_setup(struct i40e_vsi *vsi)
 
 err_rings:
 	i40e_vsi_free_q_vectors(vsi);
-	if (vsi->type == I40E_VSI_MAIN)
-		i40e_devlink_destroy_port(pf);
 	if (vsi->netdev_registered) {
 		vsi->netdev_registered = false;
 		unregister_netdev(vsi->netdev);
 		free_netdev(vsi->netdev);
 		vsi->netdev = NULL;
 	}
+	if (vsi->type == I40E_VSI_MAIN)
+		i40e_devlink_destroy_port(pf);
 	i40e_aq_delete_element(&pf->hw, vsi->seid, NULL);
 err_vsi:
 	i40e_vsi_clear(vsi);
-- 
2.41.0