[IRDA]: Ratelimit messages.

From: Joe Perches <joe@perches.com>

Based upon a patch by Dave Jones.
Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/irda/irda.h

@@ -82,9 +82,9 @@ do { if(!(expr)) { \
 #define IRDA_ASSERT_LABEL(label)
 #endif /* CONFIG_IRDA_DEBUG */
 
-#define IRDA_WARNING(args...) printk(KERN_WARNING args)
-#define IRDA_MESSAGE(args...) printk(KERN_INFO args)
-#define IRDA_ERROR(args...)   printk(KERN_ERR args)
+#define IRDA_WARNING(args...) do { if (net_ratelimit()) printk(KERN_WARNING args); } while (0)
+#define IRDA_MESSAGE(args...) do { if (net_ratelimit()) printk(KERN_INFO args); } while (0)
+#define IRDA_ERROR(args...)   do { if (net_ratelimit()) printk(KERN_ERR args); } while (0)
 
 /*
  *  Magic numbers used by Linux-IrDA. Random numbers which must be unique to