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Diffstat (limited to 'net/ipv4/tcp_fastopen.c')
-rw-r--r--net/ipv4/tcp_fastopen.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/net/ipv4/tcp_fastopen.c b/net/ipv4/tcp_fastopen.c
index a915ade0c818..19ad9586c720 100644
--- a/net/ipv4/tcp_fastopen.c
+++ b/net/ipv4/tcp_fastopen.c
@@ -422,7 +422,10 @@ bool tcp_fastopen_cookie_check(struct sock *sk, u16 *mss,
cookie->len = -1;
return true;
}
- return cookie->len > 0;
+ if (cookie->len > 0)
+ return true;
+ tcp_sk(sk)->fastopen_client_fail = TFO_COOKIE_UNAVAILABLE;
+ return false;
}
/* This function checks if we want to defer sending SYN until the first