diff options
| author | Eric Dumazet <edumazet@google.com> | 2018-02-19 22:56:52 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-02-21 22:24:14 +0300 |
| commit | 98be9b12096fb46773b4a509d3822fd17c82218e (patch) | |
| tree | fdee55dc628e78ddae4acbb7f1e97821aae779ae /net/ipv4/tcp_ipv4.c | |
| parent | 4a64fd6ccf127973d1e2b2fc2f8024e550130617 (diff) | |
| download | linux-98be9b12096fb46773b4a509d3822fd17c82218e.tar.xz | |
tcp: remove dead code after CHECKSUM_PARTIAL adoption
Since all skbs in write/rtx queues have CHECKSUM_PARTIAL,
we can remove dead code.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_ipv4.c')
| -rw-r--r-- | net/ipv4/tcp_ipv4.c | 13 |
1 files changed, 3 insertions, 10 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index f3e52bc98980..2c6aec2643e8 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -561,16 +561,9 @@ void __tcp_v4_send_check(struct sk_buff *skb, __be32 saddr, __be32 daddr) { struct tcphdr *th = tcp_hdr(skb); - if (skb->ip_summed == CHECKSUM_PARTIAL) { - th->check = ~tcp_v4_check(skb->len, saddr, daddr, 0); - skb->csum_start = skb_transport_header(skb) - skb->head; - skb->csum_offset = offsetof(struct tcphdr, check); - } else { - th->check = tcp_v4_check(skb->len, saddr, daddr, - csum_partial(th, - th->doff << 2, - skb->csum)); - } + th->check = ~tcp_v4_check(skb->len, saddr, daddr, 0); + skb->csum_start = skb_transport_header(skb) - skb->head; + skb->csum_offset = offsetof(struct tcphdr, check); } /* This routine computes an IPv4 TCP checksum. */ |