diff options
Diffstat (limited to 'src/dhcpv6.c')
| -rw-r--r-- | src/dhcpv6.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/dhcpv6.c b/src/dhcpv6.c index 3e128bc..5998b75 100644 --- a/src/dhcpv6.c +++ b/src/dhcpv6.c @@ -586,12 +586,14 @@ int dhcpv6_request(enum dhcpv6_msg type) for (; len < 0 && (round_start < round_end); round_start = odhcp6c_get_milli_time()) { uint8_t buf[1536]; - uint8_t cmsg_buf[CMSG_SPACE(sizeof(struct in6_pktinfo))] - __aligned(__alignof__(struct cmsghdr)); + union { + struct cmsghdr hdr; + uint8_t buf[CMSG_SPACE(sizeof(struct in6_pktinfo))]; + } cmsg_buf; struct iovec iov = {buf, sizeof(buf)}; struct sockaddr_in6 addr; struct msghdr msg = {.msg_name = &addr, .msg_namelen = sizeof(addr), - .msg_iov = &iov, .msg_iovlen = 1, .msg_control = cmsg_buf, + .msg_iov = &iov, .msg_iovlen = 1, .msg_control = cmsg_buf.buf, .msg_controllen = sizeof(cmsg_buf)}; struct in6_pktinfo *pktinfo = NULL; |