diff options
Diffstat (limited to 'zebra')
| -rw-r--r-- | zebra/kernel_netlink.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/zebra/kernel_netlink.c b/zebra/kernel_netlink.c index 7adbb5ab85..7e47822a2c 100644 --- a/zebra/kernel_netlink.c +++ b/zebra/kernel_netlink.c @@ -309,9 +309,16 @@ static int netlink_socket(struct nlsock *nl, unsigned long groups, snl.nl_groups = groups; #if defined SOL_NETLINK - if (ext_groups) - setsockopt(sock, SOL_NETLINK, NETLINK_ADD_MEMBERSHIP, - &ext_groups, sizeof(ext_groups)); + if (ext_groups) { + ret = setsockopt(sock, SOL_NETLINK, + NETLINK_ADD_MEMBERSHIP, &ext_groups, + sizeof(ext_groups)); + if (ret < 0) { + zlog_notice( + "can't setsockopt NETLINK_ADD_MEMBERSHIP: %s(%d)", + safe_strerror(errno), errno); + } + } #endif /* Bind the socket to the netlink structure for anything. */ |