b44: Ratelimit timeout error message.

Signed-off-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/b44.c

@@ -189,7 +189,9 @@ static int b44_wait_bit(struct b44 *bp, unsigned long reg,
 		udelay(10);
 	}
 	if (i == timeout) {
-		printk(KERN_ERR PFX "%s: BUG!  Timeout waiting for bit %08x of register "
+		if (net_ratelimit())
+			printk(KERN_ERR PFX "%s: BUG!  Timeout waiting for bit "
+			       "%08x of register "
 			       "%lx to %s.\n",
 			       bp->dev->name,
 			       bit, reg,