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authorKuniyuki Iwashima <kuniyu@amazon.com>2023-11-28 18:29:17 -0800
committerJakub Kicinski <kuba@kernel.org>2023-11-29 20:15:32 -0800
commit34efc9cfe7c6d11ccc438ca03b59a1bf43cc60ec (patch)
tree09553c2025baf2181ef9efc25fd28cce21747508 /net/ipv6
parentf422544118cbdfc3bba7b7c5189e18147acb9047 (diff)
tcp: Clean up reverse xmas tree in cookie_v[46]_check().
We will grow and cut the xmas tree in cookie_v[46]_check(). This patch cleans it up to make later patches tidy. Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com> Reviewed-by: Simon Horman <horms@kernel.org> Reviewed-by: Eric Dumazet <edumazet@google.com> Link: https://lore.kernel.org/r/20231129022924.96156-2-kuniyu@amazon.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/syncookies.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/net/ipv6/syncookies.c b/net/ipv6/syncookies.c
index 12eedc6ca2cc..aa5fb5486cde 100644
--- a/net/ipv6/syncookies.c
+++ b/net/ipv6/syncookies.c
@@ -127,17 +127,17 @@ EXPORT_SYMBOL_GPL(__cookie_v6_check);
struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb)
{
+ const struct tcphdr *th = tcp_hdr(skb);
+ __u32 cookie = ntohl(th->ack_seq) - 1;
+ struct ipv6_pinfo *np = inet6_sk(sk);
struct tcp_options_received tcp_opt;
+ struct tcp_sock *tp = tcp_sk(sk);
struct inet_request_sock *ireq;
struct tcp_request_sock *treq;
- struct ipv6_pinfo *np = inet6_sk(sk);
- struct tcp_sock *tp = tcp_sk(sk);
- const struct tcphdr *th = tcp_hdr(skb);
- __u32 cookie = ntohl(th->ack_seq) - 1;
- struct sock *ret = sk;
struct request_sock *req;
- int full_space, mss;
struct dst_entry *dst;
+ struct sock *ret = sk;
+ int full_space, mss;
__u8 rcv_wscale;
u32 tsoff = 0;
int l3index;