netxen: ratelimit error prints

If for some reason, read from card memory fails the console
get flooded with failure prints. This patch confines print
under printk_ratelimit().

Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c
index 81f55e1..b2f67b9 100644
--- a/drivers/net/netxen/netxen_nic_hw.c
+++ b/drivers/net/netxen/netxen_nic_hw.c
@@ -1579,8 +1579,9 @@
 		}
 
 		if (j >= MAX_CTL_CHECK) {
-			printk("%s: %s Fail to write through agent\n",
-					__func__, netxen_nic_driver_name);
+			if (printk_ratelimit())
+				dev_err(&adapter->pdev->dev,
+					"failed to write through agent\n");
 			ret = -1;
 			break;
 		}
@@ -1637,8 +1638,9 @@
 		}
 
 		if (j >= MAX_CTL_CHECK) {
-			printk(KERN_ERR "%s: %s Fail to read through agent\n",
-					__func__, netxen_nic_driver_name);
+			if (printk_ratelimit())
+				dev_err(&adapter->pdev->dev,
+					"failed to read through agent\n");
 			break;
 		}
 
@@ -1773,8 +1775,9 @@
 		}
 
 		if (j >= MAX_CTL_CHECK) {
-			printk(KERN_ERR "%s: Fail to write through agent\n",
-					netxen_nic_driver_name);
+			if (printk_ratelimit())
+				dev_err(&adapter->pdev->dev,
+					"failed to write through agent\n");
 			ret = -1;
 			break;
 		}
@@ -1843,8 +1846,9 @@
 		}
 
 		if (j >= MAX_CTL_CHECK) {
-			printk(KERN_ERR "%s: Fail to read through agent\n",
-					netxen_nic_driver_name);
+			if (printk_ratelimit())
+				dev_err(&adapter->pdev->dev,
+					"failed to read through agent\n");
 			break;
 		}