diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 8b7f100..4d1d51a 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -1415,9 +1415,8 @@
 		return;
 	}
 
-	if (net_ratelimit())
-		printk(KERN_INFO "%s: IPv6 duplicate address %pI6c detected!\n",
-			ifp->idev->dev->name, &ifp->addr);
+	net_info_ratelimited("%s: IPv6 duplicate address %pI6c detected!\n",
+			     ifp->idev->dev->name, &ifp->addr);
 
 	if (idev->cnf.accept_dad > 1 && !idev->cnf.disable_ipv6) {
 		struct in6_addr addr;
@@ -1847,16 +1846,15 @@
 	prefered_lft = ntohl(pinfo->prefered);
 
 	if (prefered_lft > valid_lft) {
-		if (net_ratelimit())
-			printk(KERN_WARNING "addrconf: prefix option has invalid lifetime\n");
+		net_warn_ratelimited("addrconf: prefix option has invalid lifetime\n");
 		return;
 	}
 
 	in6_dev = in6_dev_get(dev);
 
 	if (in6_dev == NULL) {
-		if (net_ratelimit())
-			printk(KERN_DEBUG "addrconf: device %s not configured\n", dev->name);
+		net_dbg_ratelimited("addrconf: device %s not configured\n",
+				    dev->name);
 		return;
 	}
 
@@ -1931,9 +1929,8 @@
 			}
 			goto ok;
 		}
-		if (net_ratelimit())
-			printk(KERN_DEBUG "IPv6 addrconf: prefix with wrong length %d\n",
-			       pinfo->prefix_len);
+		net_dbg_ratelimited("IPv6 addrconf: prefix with wrong length %d\n",
+				    pinfo->prefix_len);
 		in6_dev_put(in6_dev);
 		return;