diff options
| author | Christian Brauner <brauner@kernel.org> | 2025-09-18 12:11:55 +0200 |
|---|---|---|
| committer | Christian Brauner <brauner@kernel.org> | 2025-09-19 16:22:37 +0200 |
| commit | f12021e68a13f4f867b8d55212254f1f83f75e00 (patch) | |
| tree | b7ce85bdf231ac8f8c1aabcad276a703411b868b | |
| parent | dc41b844da530e94f5b8384deb2af602cbeb312a (diff) | |
ipv4: use check_net()
Don't directly acess the namespace count. There's even a dedicated
helper for this.
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
| -rw-r--r-- | net/ipv4/inet_timewait_sock.c | 4 | ||||
| -rw-r--r-- | net/ipv4/tcp_metrics.c | 2 |
2 files changed, 3 insertions, 3 deletions
diff --git a/net/ipv4/inet_timewait_sock.c b/net/ipv4/inet_timewait_sock.c index 875ff923a8ed..56a117560c0c 100644 --- a/net/ipv4/inet_timewait_sock.c +++ b/net/ipv4/inet_timewait_sock.c @@ -329,13 +329,13 @@ restart: TCPF_NEW_SYN_RECV)) continue; - if (refcount_read(&sock_net(sk)->ns.count)) + if (check_net(sock_net(sk))) continue; if (unlikely(!refcount_inc_not_zero(&sk->sk_refcnt))) continue; - if (refcount_read(&sock_net(sk)->ns.count)) { + if (check_net(sock_net(sk))) { sock_gen_put(sk); goto restart; } diff --git a/net/ipv4/tcp_metrics.c b/net/ipv4/tcp_metrics.c index 03c068ea27b6..b67f94c60f9f 100644 --- a/net/ipv4/tcp_metrics.c +++ b/net/ipv4/tcp_metrics.c @@ -912,7 +912,7 @@ static void tcp_metrics_flush_all(struct net *net) spin_lock_bh(&tcp_metrics_lock); for (tm = deref_locked(*pp); tm; tm = deref_locked(*pp)) { match = net ? net_eq(tm_net(tm), net) : - !refcount_read(&tm_net(tm)->ns.count); + !check_net(tm_net(tm)); if (match) { rcu_assign_pointer(*pp, tm->tcpm_next); kfree_rcu(tm, rcu_head); |