From 08d622568e5a58adebc8cb801599d3f181a6b687 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <edumazet@google.com>
Date: Sat, 4 Dec 2021 20:22:09 -0800
Subject: net: add net device refcount tracker to struct neigh_parms

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
 net/core/neighbour.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'net')

diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 56de74f8d2b1..dd271ffedf11 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -1666,13 +1666,13 @@ struct neigh_parms *neigh_parms_alloc(struct net_device *dev,
 		refcount_set(&p->refcnt, 1);
 		p->reachable_time =
 				neigh_rand_reach_time(NEIGH_VAR(p, BASE_REACHABLE_TIME));
-		dev_hold(dev);
+		dev_hold_track(dev, &p->dev_tracker, GFP_KERNEL);
 		p->dev = dev;
 		write_pnet(&p->net, net);
 		p->sysctl_table = NULL;
 
 		if (ops->ndo_neigh_setup && ops->ndo_neigh_setup(dev, p)) {
-			dev_put(dev);
+			dev_put_track(dev, &p->dev_tracker);
 			kfree(p);
 			return NULL;
 		}
@@ -1703,7 +1703,7 @@ void neigh_parms_release(struct neigh_table *tbl, struct neigh_parms *parms)
 	list_del(&parms->list);
 	parms->dead = 1;
 	write_unlock_bh(&tbl->lock);
-	dev_put(parms->dev);
+	dev_put_track(parms->dev, &parms->dev_tracker);
 	call_rcu(&parms->rcu_head, neigh_rcu_free_parms);
 }
 EXPORT_SYMBOL(neigh_parms_release);
-- 
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