spidernet: silence the ramfull messages

Although the previous patch resolved issues with hangs when the
RX ram full interrupt is encountered, there are still situations
where lots of RX ramfull interrupts arrive, resulting in a noisy
log in syslog. There is no need for this.

Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/spider_net.h b/drivers/net/spider_net.h
index b620f18..f457bce 100644
--- a/drivers/net/spider_net.h
+++ b/drivers/net/spider_net.h
@@ -462,6 +462,7 @@
 	atomic_t tx_timeout_task_counter;
 	wait_queue_head_t waitq;
 	int num_rx_ints;
+	int ignore_rx_ramfull;
 
 	/* for ethtool */
 	int msg_enable;