File _service:gitpkg:0001-Missing-IPv6-support.patch of Package dhcp

From 2ec274662126f0d8ea6a71b4b0a5f7ecbc706571 Mon Sep 17 00:00:00 2001
From: Pier Luigi Fiorini <pierluigi.fiorini@gmail.com>
Date: Sun, 3 Aug 2014 08:50:52 +0000
Subject: [PATCH] Missing IPv6 support

---
 common/discover.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/common/discover.c b/common/discover.c
index 4b40a70..413ea13 100644
--- a/common/discover.c
+++ b/common/discover.c
@@ -446,7 +446,7 @@ begin_iface_scan(struct iface_conf_list *ifaces) {
 	}
 
 #ifdef DHCPv6
-	if (local_family == AF_INET6) {
+	if ((local_family == AF_INET6) && !access("/proc/net/if_inet6", R_OK)) {
 		ifaces->fp6 = fopen("/proc/net/if_inet6", "r");
 		if (ifaces->fp6 == NULL) {
 			log_error("Error opening '/proc/net/if_inet6' to "
@@ -457,6 +457,8 @@ begin_iface_scan(struct iface_conf_list *ifaces) {
 			ifaces->fp = NULL;
 			return 0;
 		}
+	} else {
+		ifaces->fp6 = NULL;
 	}
 #endif
 
@@ -724,7 +726,7 @@ next_iface(struct iface_info *info, int *err, struct iface_conf_list *ifaces) {
 		return 1;
 	}
 #ifdef DHCPv6
-	if (!(*err)) {
+	if (!(*err) && ifaces->fp6) {
 		if (local_family == AF_INET6)
 			return next_iface6(info, err, ifaces);
 	}
@@ -743,7 +745,8 @@ end_iface_scan(struct iface_conf_list *ifaces) {
 	ifaces->sock = -1;
 #ifdef DHCPv6
 	if (local_family == AF_INET6) {
-		fclose(ifaces->fp6);
+		if (ifaces->fp6)
+			fclose(ifaces->fp6);
 		ifaces->fp6 = NULL;
 	}
 #endif
-- 
1.8.4.5