tcp: Use defaults when no route options are available

Trying to parse the option of a SYN packet that we have
no route entry for should just use global wide defaults
for route entry options.

Signed-off-by: Gilad Ben-Yossef <gilad@codefidence.com>
Tested-by: Valdis.Kletnieks@vt.edu
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 0 insertions, 2 deletions

diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index ba0eab65fe80..be0c5bf7bfca 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -3704,8 +3704,6 @@ void tcp_parse_options(struct sk_buff *skb, struct tcp_options_received *opt_rx,
         struct tcphdr *th = tcp_hdr(skb);
         int length = (th->doff * 4) - sizeof(struct tcphdr);
 
-        BUG_ON(!estab && !dst);
-
         ptr = (unsigned char *)(th + 1);
         opt_rx->saw_tstamp = 0;