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tcp_metrics: use dst_dev_net_rcu()

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Replace three dst_dev() with a lockdep enabled helper.

Fixes: 4a6ce2b6f2 ("net: introduce a new function dst_dev_put()")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://patch.msgid.link/20250828195823.3958522-7-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Eric Dumazet 2025-08-28 19:58:21 +00:00 committed by Jakub Kicinski
parent 99a2ace61b
commit 50c127a69c
1 changed files with 3 additions and 3 deletions
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6
net/ipv4/tcp_metrics.c
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@ -170,7 +170,7 @@ static struct tcp_metrics_block *tcpm_new(struct dst_entry *dst,
struct net *net;
spin_lock_bh(&tcp_metrics_lock);
net = dev_net_rcu(dst_dev(dst));
net = dst_dev_net_rcu(dst);
/* While waiting for the spin-lock the cache might have been populated
* with this entry and so we have to check again.
@ -273,7 +273,7 @@ static struct tcp_metrics_block *__tcp_get_metrics_req(struct request_sock *req,
return NULL;
}
net = dev_net_rcu(dst_dev(dst));
net = dst_dev_net_rcu(dst);
hash ^= net_hash_mix(net);
hash = hash_32(hash, tcp_metrics_hash_log);
@ -318,7 +318,7 @@ static struct tcp_metrics_block *tcp_get_metrics(struct sock *sk,
else
return NULL;
net = dev_net_rcu(dst_dev(dst));
net = dst_dev_net_rcu(dst);
hash ^= net_hash_mix(net);
hash = hash_32(hash, tcp_metrics_hash_log);