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dccp/tcp: Remove NULL check for prev_saddr in inet_bhash2_update_saddr().

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When we call inet_bhash2_update_saddr(), prev_saddr is always non-NULL.
Let's remove the unnecessary test.

Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Acked-by: Joanne Koong <joannelkoong@gmail.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Kuniyuki Iwashima 2022-11-18 17:49:12 -08:00 committed by Jakub Kicinski
parent 77934dc6db
commit 8acdad37cd
1 changed files with 4 additions and 7 deletions
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11
net/ipv4/inet_hashtables.c
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@ -877,13 +877,10 @@ int inet_bhash2_update_saddr(struct inet_bind_hashbucket *prev_saddr, struct soc
head2 = inet_bhashfn_portaddr(hinfo, sk, net, port);
if (prev_saddr) {
spin_lock_bh(&prev_saddr->lock);
__sk_del_bind2_node(sk);
inet_bind2_bucket_destroy(hinfo->bind2_bucket_cachep,
inet_csk(sk)->icsk_bind2_hash);
spin_unlock_bh(&prev_saddr->lock);
}
spin_lock_bh(&prev_saddr->lock);
__sk_del_bind2_node(sk);
inet_bind2_bucket_destroy(hinfo->bind2_bucket_cachep, inet_csk(sk)->icsk_bind2_hash);
spin_unlock_bh(&prev_saddr->lock);
spin_lock_bh(&head2->lock);
tb2 = inet_bind2_bucket_find(head2, net, port, l3mdev, sk);