diff options
Diffstat (limited to 'net/ipv6/udp.c')
| -rw-r--r-- | net/ipv6/udp.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index df71ba05f41d..4e4c401e3bc6 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -1046,6 +1046,10 @@ int udpv6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len) if (addr_len < SIN6_LEN_RFC2133) return -EINVAL; daddr = &sin6->sin6_addr; + if (ipv6_addr_any(daddr) && + ipv6_addr_v4mapped(&np->saddr)) + ipv6_addr_set_v4mapped(htonl(INADDR_LOOPBACK), + daddr); break; case AF_INET: goto do_udp_sendmsg; |