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BACKPORT: tcp: remove dead code in __tcp_v6_send_check()

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For some reason, I forgot to change __tcp_v6_send_check() at
the same time I removed (ip_summed == CHECKSUM_PARTIAL) check
in __tcp_v4_send_check()

Fixes: 0c63791fd180 ("tcp: remove dead code after CHECKSUM_PARTIAL adoption")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
[cyberknight777: backport to 4.14]
Signed-off-by: Cyber Knight <cyberknight755@gmail.com>
Signed-off-by: azrim <mirzaspc@gmail.com>
This commit is contained in:
Eric Dumazet 2021-11-15 11:02:31 -08:00 committed by azrim
parent f7f53b1e7b
commit 673b71f180
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GPG Key ID: 497F8FB059B45D1C
1 changed files with 3 additions and 9 deletions
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12
include/net/ip6_checksum.h
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@ -69,15 +69,9 @@ static inline void __tcp_v6_send_check(struct sk_buff *skb,
{
struct tcphdr *th = tcp_hdr(skb);
if (skb->ip_summed == CHECKSUM_PARTIAL) {
th->check = ~tcp_v6_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_v6_check(skb->len, saddr, daddr,
csum_partial(th, th->doff << 2,
skb->csum));
}
th->check = ~tcp_v6_check(skb->len, saddr, daddr, 0);
skb->csum_start = skb_transport_header(skb) - skb->head;
skb->csum_offset = offsetof(struct tcphdr, check);
}
#if IS_ENABLED(CONFIG_IPV6)