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authorKuniyuki Iwashima <kuniyu@amazon.com>2022-11-18 17:49:12 -0800
committerJakub Kicinski <kuba@kernel.org>2022-11-22 20:15:36 -0800
commit8acdad37cd13ce777b0811b2d332314037fcefa8 (patch)
tree04dc6eac9f18d7cb84f2d06713910667d147c3a0
parent77934dc6db0d2b111a8f2759e9ad2fb67f5cffa5 (diff)
dccp/tcp: Remove NULL check for prev_saddr in inet_bhash2_update_saddr().
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>
-rw-r--r--net/ipv4/inet_hashtables.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c
index 033bf3c2538f..d745f962745e 100644
--- a/net/ipv4/inet_hashtables.c
+++ b/net/ipv4/inet_hashtables.c
@@ -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);