net: ipv4 and ipv6: Convert printk(KERN_DEBUG to pr_debug

Use the current debugging style and enable dynamic_debug.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 42d7644..76e5880 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1374,8 +1374,7 @@
 			return;
 		}
 	} else if (!rt)
-		printk(KERN_DEBUG "rt_bind_peer(0) @%p\n",
-		       __builtin_return_address(0));
+		pr_debug("rt_bind_peer(0) @%p\n", __builtin_return_address(0));
 
 	ip_select_fb_ident(iph);
 }
@@ -1839,9 +1838,9 @@
 
 static int ip_rt_bug(struct sk_buff *skb)
 {
-	printk(KERN_DEBUG "ip_rt_bug: %pI4 -> %pI4, %s\n",
-		&ip_hdr(skb)->saddr, &ip_hdr(skb)->daddr,
-		skb->dev ? skb->dev->name : "?");
+	pr_debug("%s: %pI4 -> %pI4, %s\n",
+		 __func__, &ip_hdr(skb)->saddr, &ip_hdr(skb)->daddr,
+		 skb->dev ? skb->dev->name : "?");
 	kfree_skb(skb);
 	WARN_ON(1);
 	return 0;