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-rw-r--r--src/dhcp.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/dhcp.c b/src/dhcp.c
index 92ea92b..9463e23 100644
--- a/src/dhcp.c
+++ b/src/dhcp.c
@@ -404,7 +404,8 @@ void dhcp_packet(time_t now, int pxe_fd)
memcpy(arp_req.arp_ha.sa_data, mess->chaddr, mess->hlen);
/* interface name already copied in */
arp_req.arp_flags = ATF_COM;
- ioctl(daemon->dhcpfd, SIOCSARP, &arp_req);
+ if (ioctl(daemon->dhcpfd, SIOCSARP, &arp_req) == -1)
+ my_syslog(MS_DHCP | LOG_ERR, _("ARP-cache injection failed: %s"), strerror(errno));
}
#elif defined(HAVE_SOLARIS_NETWORK)
else if ((ntohs(mess->flags) & 0x8000) || mess->hlen != ETHER_ADDR_LEN || mess->htype != ARPHRD_ETHER)