diff --git a/tools/hv/hv_kvp_daemon.c b/tools/hv/hv_kvp_daemon.c index 5a1f6489d185..ae9aa1cd97fe 100644 --- a/tools/hv/hv_kvp_daemon.c +++ b/tools/hv/hv_kvp_daemon.c @@ -1457,7 +1457,13 @@ int main(void) exit(EXIT_FAILURE); } nl_group = CN_KVP_IDX; - setsockopt(fd, SOL_NETLINK, NETLINK_ADD_MEMBERSHIP, &nl_group, sizeof(nl_group)); + + if (setsockopt(fd, SOL_NETLINK, NETLINK_ADD_MEMBERSHIP, &nl_group, sizeof(nl_group)) < 0) { + syslog(LOG_ERR, "setsockopt failed; error: %d %s", errno, strerror(errno)); + close(fd); + exit(EXIT_FAILURE); + } + /* * Register ourselves with the kernel. */