[IPV4] FIB: printk related cleanups

printk related cleanups:
 * Get rid of unused printk wrappers.
 * Make bug checks into KERN_WARNING because KERN_DEBUG gets ignored
 * Turn one cryptic old message into something real
 * Make sure all messages have KERN_XXX

Signed-off-by: Stephen Hemminger <stephen.hemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/fib_hash.c b/net/ipv4/fib_hash.c
index a073004..258214f 100644
--- a/net/ipv4/fib_hash.c
+++ b/net/ipv4/fib_hash.c
@@ -168,7 +168,8 @@
 	new_hashmask = (new_divisor - 1);
 
 #if RT_CACHE_DEBUG >= 2
-	printk("fn_rehash_zone: hash for zone %d grows from %d\n", fz->fz_order, old_divisor);
+	printk(KERN_DEBUG "fn_rehash_zone: hash for zone %d grows from %d\n",
+	       fz->fz_order, old_divisor);
 #endif
 
 	ht = fz_hash_alloc(new_divisor);