linux-kernel - [PATCH net v2] octeon_ep_vf: Resolve netdevice usage count issue

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Message-ID: <20250414091856.18765-1-sedara@marvell.com>
Date: Mon, 14 Apr 2025 02:18:55 -0700
From: Sathesh B Edara <sedara@...vell.com>
To: <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC: <hgani@...vell.com>, <vimleshk@...vell.com>,
        Veerasenareddy Burru
	<vburru@...vell.com>,
        Sathesh Edara <sedara@...vell.com>,
        Shinas Rasheed
	<srasheed@...vell.com>,
        Satananda Burla <sburla@...vell.com>,
        Andrew Lunn
	<andrew+netdev@...n.ch>,
        "David S. Miller" <davem@...emloft.net>,
        "Eric
 Dumazet" <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>, Paolo Abeni
	<pabeni@...hat.com>
Subject: [PATCH net v2] octeon_ep_vf: Resolve netdevice usage count issue

Address the netdevice usage count problem in the following scenarios:
- When the interface is down
- During transmit queue timeouts

Fixes: cb7dd712189f ("octeon_ep_vf: Add driver framework and device initialization")
Signed-off-by: Sathesh B Edara <sedara@...vell.com>
---
Changes:
V2:
  - Removed redundant call

 drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_main.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_main.c b/drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_main.c
index 18c922dd5fc6..5d033bc66bdf 100644
--- a/drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_main.c
+++ b/drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_main.c
@@ -819,7 +819,6 @@ static void octep_vf_tx_timeout_task(struct work_struct *work)
 		octep_vf_open(netdev);
 	}
 	rtnl_unlock();
-	netdev_put(netdev, NULL);
 }
 
 /**
@@ -834,7 +833,6 @@ static void octep_vf_tx_timeout(struct net_device *netdev, unsigned int txqueue)
 {
 	struct octep_vf_device *oct = netdev_priv(netdev);
 
-	netdev_hold(netdev, NULL, GFP_ATOMIC);
 	schedule_work(&oct->tx_timeout_task);
 }
 
-- 
2.36.0