Messages in this thread Patch in this message | | | From | Pavel Begunkov <> | Subject | [PATCH net-next v3 05/10] udp/ipv6: optimise out daddr reassignment | Date | Fri, 13 May 2022 16:26:10 +0100 |
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There is nothing that checks daddr placement in udpv6_sendmsg(), so the check reassigning it to ->sk_v6_daddr looks like a not needed anymore artifact from the past. Remove it.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> --- net/ipv6/udp.c | 8 -------- 1 file changed, 8 deletions(-)
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index 8a37e2d7b14b..61dbe2f04675 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -1420,14 +1420,6 @@ int udpv6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len) } } - /* - * Otherwise it will be difficult to maintain - * sk->sk_dst_cache. - */ - if (sk->sk_state == TCP_ESTABLISHED && - ipv6_addr_equal(daddr, &sk->sk_v6_daddr)) - daddr = &sk->sk_v6_daddr; - if (addr_len >= sizeof(struct sockaddr_in6) && sin6->sin6_scope_id && __ipv6_addr_needs_scope_id(__ipv6_addr_type(daddr))) -- 2.36.0
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