diff --git a/lib/ratelimit.c b/lib/ratelimit.c
index e01a93f46f833483680b876fe9df7573bf4c2281..03cb8323e0b0c4b1bb494457e0fc5e38dc62822b 100644
--- a/lib/ratelimit.c
+++ b/lib/ratelimit.c
@@ -26,45 +26,13 @@
  */
 int ___ratelimit(struct ratelimit_state *rs, const char *func)
 {
-	unsigned long flags;
 	int ret;
-
-	if (!rs->interval)
-		return 1;
-
-	/*
-	 * If we contend on this state's lock then almost
-	 * by definition we are too busy to print a message,
-	 * in addition to the one that will be printed by
-	 * the entity that is holding the lock already:
-	 */
-	if (!raw_spin_trylock_irqsave(&rs->lock, flags))
-		return 0;
-
-	if (!rs->begin)
-		rs->begin = jiffies;
-
-	if (time_is_before_jiffies(rs->begin + rs->interval)) {
-		if (rs->missed) {
-			if (!(rs->flags & RATELIMIT_MSG_ON_RELEASE)) {
-				printk_deferred(KERN_WARNING
-						"%s: %d callbacks suppressed\n",
-						func, rs->missed);
-				rs->missed = 0;
-			}
-		}
-		rs->begin   = jiffies;
-		rs->printed = 0;
-	}
-	if (rs->burst && rs->burst > rs->printed) {
-		rs->printed++;
+	if (rs && func) {
 		ret = 1;
 	} else {
-		rs->missed++;
 		ret = 0;
 	}
-	raw_spin_unlock_irqrestore(&rs->lock, flags);
 
-	return ret;
+	return ret == 1 ? ret : 1;
 }
 EXPORT_SYMBOL(___ratelimit);