diff options
Diffstat (limited to 'net/ipv6/udp.c')
| -rw-r--r-- | net/ipv6/udp.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index 599e1ba6d1ce..da6019b63730 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -450,15 +450,16 @@ try_again: sin6->sin6_family = AF_INET6; sin6->sin6_port = udp_hdr(skb)->source; sin6->sin6_flowinfo = 0; - sin6->sin6_scope_id = 0; - if (is_udp4) + if (is_udp4) { ipv6_addr_set_v4mapped(ip_hdr(skb)->saddr, &sin6->sin6_addr); - else { + sin6->sin6_scope_id = 0; + } else { sin6->sin6_addr = ipv6_hdr(skb)->saddr; - if (ipv6_addr_type(&sin6->sin6_addr) & IPV6_ADDR_LINKLOCAL) - sin6->sin6_scope_id = IP6CB(skb)->iif; + sin6->sin6_scope_id = + ipv6_iface_scope_id(&sin6->sin6_addr, + IP6CB(skb)->iif); } } @@ -1118,7 +1119,7 @@ do_udp_sendmsg: if (addr_len >= sizeof(struct sockaddr_in6) && sin6->sin6_scope_id && - ipv6_addr_type(daddr)&IPV6_ADDR_LINKLOCAL) + __ipv6_addr_needs_scope_id(__ipv6_addr_type(daddr))) fl6.flowi6_oif = sin6->sin6_scope_id; } else { if (sk->sk_state != TCP_ESTABLISHED) @@ -1285,10 +1286,18 @@ do_confirm: void udpv6_destroy_sock(struct sock *sk) { + struct udp_sock *up = udp_sk(sk); lock_sock(sk); udp_v6_flush_pending_frames(sk); release_sock(sk); + if (static_key_false(&udpv6_encap_needed) && up->encap_type) { + void (*encap_destroy)(struct sock *sk); + encap_destroy = ACCESS_ONCE(up->encap_destroy); + if (encap_destroy) + encap_destroy(sk); + } + inet6_destroy_sock(sk); } |