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Commit 98da81a4 authored Jun 04, 2015 by Eric Dumazet Committed by David S. Miller Jun 07, 2015

tcp: remove redundant checks II



For same reasons than in commit 12e25e10 ("tcp: remove redundant
checks"), we can remove redundant checks done for timewait sockets.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 908e80d6

net/ipv4/tcp_ipv4.c

+0 −4

Original line number	Diff line number	Diff line
		@@ -1671,10 +1671,6 @@ int tcp_v4_rcv(struct sk_buff *skb)
		goto discard_it;
		}

		if (skb->len < (th->doff << 2)) {
		inet_twsk_put(inet_twsk(sk));
		goto bad_packet;
		}
		if (tcp_checksum_complete(skb)) {
		inet_twsk_put(inet_twsk(sk));
		goto csum_error;

net/ipv6/tcp_ipv6.c

+0 −4

Original line number	Diff line number	Diff line
		@@ -1467,10 +1467,6 @@ static int tcp_v6_rcv(struct sk_buff *skb)

		tcp_v6_fill_cb(skb, hdr, th);

		if (skb->len < (th->doff<<2)) {
		inet_twsk_put(inet_twsk(sk));
		goto bad_packet;
		}
		if (tcp_checksum_complete(skb)) {
		inet_twsk_put(inet_twsk(sk));
		goto csum_error;