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net: use WARN_ON_ONCE() in inet_sock_destruct()

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inet_sock_destruct() has four warnings which have been
useful to point to kernel bugs in the past.

However they are potentially a problem because they
could flood the syslog.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Eric Dumazet
2022-06-08 09:04:33 -07:00
committed by Jakub Kicinski
parent 76458faeb2
commit 3e7f2b8d30
1 changed files with 4 additions and 4 deletions
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8
net/ipv4/af_inet.c
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@@ -148,10 +148,10 @@ void inet_sock_destruct(struct sock *sk)
return;
}
WARN_ON(atomic_read(&sk->sk_rmem_alloc));
WARN_ON(refcount_read(&sk->sk_wmem_alloc));
WARN_ON(sk->sk_wmem_queued);
WARN_ON(sk_forward_alloc_get(sk));
WARN_ON_ONCE(atomic_read(&sk->sk_rmem_alloc));
WARN_ON_ONCE(refcount_read(&sk->sk_wmem_alloc));
WARN_ON_ONCE(sk->sk_wmem_queued);
WARN_ON_ONCE(sk_forward_alloc_get(sk));
kfree(rcu_dereference_protected(inet->inet_opt, 1));
dst_release(rcu_dereference_protected(sk->sk_dst_cache, 1));