1 files changed, 15 insertions, 7 deletions

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index deb38bf03376..9be6be3a7ff3 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -229,6 +229,12 @@ static inline int addrconf_qdisc_ok(struct net_device *dev)
 	return (dev->qdisc != &noop_qdisc);
 }
 
+/* Check if a route is valid prefix route */
+static inline int addrconf_is_prefix_route(const struct rt6_info *rt)
+{
+	return ((rt->rt6i_flags & (RTF_GATEWAY | RTF_DEFAULT)) == 0);
+}
+
 static void addrconf_del_timer(struct inet6_ifaddr *ifp)
 {
 	if (del_timer(&ifp->timer))
@@ -775,7 +781,7 @@ static void ipv6_del_addr(struct inet6_ifaddr *ifp)
 		ipv6_addr_prefix(&prefix, &ifp->addr, ifp->prefix_len);
 		rt = rt6_lookup(net, &prefix, NULL, ifp->idev->dev->ifindex, 1);
 
-		if (rt && ((rt->rt6i_flags & (RTF_GATEWAY | RTF_DEFAULT)) == 0)) {
+		if (rt && addrconf_is_prefix_route(rt)) {
 			if (onlink == 0) {
 				ip6_del_rt(rt);
 				rt = NULL;
@@ -956,7 +962,8 @@ static inline int ipv6_saddr_preferred(int type)
 	return 0;
 }
 
-static int ipv6_get_saddr_eval(struct ipv6_saddr_score *score,
+static int ipv6_get_saddr_eval(struct net *net,
+			       struct ipv6_saddr_score *score,
 			       struct ipv6_saddr_dst *dst,
 			       int i)
 {
@@ -1035,7 +1042,8 @@ static int ipv6_get_saddr_eval(struct ipv6_saddr_score *score,
 		break;
 	case IPV6_SADDR_RULE_LABEL:
 		/* Rule 6: Prefer matching label */
-		ret = ipv6_addr_label(&score->ifa->addr, score->addr_type,
+		ret = ipv6_addr_label(net,
+				      &score->ifa->addr, score->addr_type,
 				      score->ifa->idev->dev->ifindex) == dst->label;
 		break;
 #ifdef CONFIG_IPV6_PRIVACY
@@ -1089,7 +1097,7 @@ int ipv6_dev_get_saddr(struct net_device *dst_dev,
 	dst.addr = daddr;
 	dst.ifindex = dst_dev ? dst_dev->ifindex : 0;
 	dst.scope = __ipv6_addr_src_scope(dst_type);
-	dst.label = ipv6_addr_label(daddr, dst_type, dst.ifindex);
+	dst.label = ipv6_addr_label(net, daddr, dst_type, dst.ifindex);
 	dst.prefs = prefs;
 
 	hiscore->rule = -1;
@@ -1157,8 +1165,8 @@ int ipv6_dev_get_saddr(struct net_device *dst_dev,
 			for (i = 0; i < IPV6_SADDR_RULE_MAX; i++) {
 				int minihiscore, miniscore;
 
-				minihiscore = ipv6_get_saddr_eval(hiscore, &dst, i);
-				miniscore = ipv6_get_saddr_eval(score, &dst, i);
+				minihiscore = ipv6_get_saddr_eval(net, hiscore, &dst, i);
+				miniscore = ipv6_get_saddr_eval(net, score, &dst, i);
 
 				if (minihiscore > miniscore) {
 					if (i == IPV6_SADDR_RULE_SCOPE &&
@@ -1786,7 +1794,7 @@ void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len)
 		rt = rt6_lookup(dev_net(dev), &pinfo->prefix, NULL,
 				dev->ifindex, 1);
 
-		if (rt && ((rt->rt6i_flags & (RTF_GATEWAY | RTF_DEFAULT)) == 0)) {
+		if (rt && addrconf_is_prefix_route(rt)) {
 			/* Autoconf prefix route */
 			if (valid_lft == 0) {
 				ip6_del_rt(rt);