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| author | Francis Dupont <fdupont@isc.org> | 2017-06-22 16:25:34 +0200 |
|---|---|---|
| committer | Francis Dupont <fdupont@isc.org> | 2017-06-22 16:25:34 +0200 |
| commit | bf0b1863713a24d6daa01038b4ab82ca75bb83d3 (patch) | |
| tree | 9af9366a7f8d48a6f769010065d517af3f304a37 /common/socket.c | |
| parent | 3f2eb206639e5e08b8a07e2c6cad479445bc1654 (diff) | |
| download | isc-dhcp-bf0b1863713a24d6daa01038b4ab82ca75bb83d3.tar.gz | |
Ignore ENOPROTOOPT on SO_REUSEPORT for RedHat
Diffstat (limited to 'common/socket.c')
| -rw-r--r-- | common/socket.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/common/socket.c b/common/socket.c index e8851b4c..779fc02e 100644 --- a/common/socket.c +++ b/common/socket.c @@ -219,11 +219,14 @@ if_register_socket(struct interface_info *info, int family, * respective interfaces. This does not (and should not) affect * DHCPv4 sockets; we can't yet support BSD sockets well, much * less multiple sockets. Make sense only with multicast. + * RedHat defines SO_REUSEPORT with a kernel which does not support + * it and returns ENOPROTOOPT so in this case ignore the error. */ if ((local_family == AF_INET6) && *do_multicast) { flag = 1; - if (setsockopt(sock, SOL_SOCKET, SO_REUSEPORT, - (char *)&flag, sizeof(flag)) < 0) { + if ((setsockopt(sock, SOL_SOCKET, SO_REUSEPORT, + (char *)&flag, sizeof(flag)) < 0) && + (errno != ENOPROTOOPT)) { log_fatal("Can't set SO_REUSEPORT option on dhcp " "socket: %m"); } |