X-Git-Url: http://git.ozlabs.org/?p=petitboot;a=blobdiff_plain;f=discover%2Fnetwork.c;h=60d1f6e0f4e1790ba4b2bb2b18bd3a7b81efe70b;hp=c300f3dc7719619aa6092df5b476837ff8177b74;hb=ae3c354e844698bdb4ed35a6845aa9dca1e9205f;hpb=a984595cfb4910ba6f464c69c316f1613f10f894

diff --git a/discover/network.c b/discover/network.c
index c300f3d..60d1f6e 100644
--- a/discover/network.c
+++ b/discover/network.c
@@ -181,6 +181,15 @@ static int interface_change(struct interface *interface, bool up)
 		process_release(interface->udhcpc_process);
 	}
 
+	if (!up) {
+		rc = process_run_simple(interface, pb_system_apps.ip,
+				"address", "flush", "dev", interface->name,
+				NULL);
+		if (rc)
+			pb_log("failed to flush addresses from interface %s\n",
+				interface->name);
+	}
+
 	rc = process_run_simple(interface, pb_system_apps.ip,
 			"link", "set", interface->name, statestr, NULL);
 	if (rc) {
@@ -220,6 +229,7 @@ static void configure_interface_dhcp(struct interface *interface)
 		pb_system_apps.udhcpc,
 		"-R",
 		"-n",
+		"-f",
 		"-O", "pxeconffile",
 		"-O", "pxepathprefix",
 		"-p", pidfile,
@@ -533,7 +543,7 @@ static void network_init_dns(struct network *network)
 		buf = talloc_realloc(network, buf, char, len + dns_conf_len + 1);
 		memcpy(buf + len, dns_conf, dns_conf_len);
 		len += dns_conf_len;
-		buf[len - 1] = '\0';
+		buf[len] = '\0';
 		modified = true;
 
 		talloc_free(dns_conf);
@@ -584,7 +594,6 @@ err:
 	return NULL;
 }
 
-
 int network_shutdown(struct network *network)
 {
 	struct interface *interface;