[ATM] drivers/atm/iphase.c: mostly kmalloc + memset conversion to kzalloc

 drivers/atm/iphase.c | 111508 -> 111431 (-77 bytes)
 drivers/atm/iphase.o | 254740 -> 254260 (-480 bytes)

Signed-off-by: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/atm/iphase.c

@@ -1601,14 +1601,14 @@ static int rx_init(struct atm_dev *dev)
   
 	skb_queue_head_init(&iadev->rx_dma_q);  
 	iadev->rx_free_desc_qhead = NULL;   
-	iadev->rx_open = kmalloc(4*iadev->num_vc,GFP_KERNEL);
-	if (!iadev->rx_open)  
-	{  
+
+	iadev->rx_open = kzalloc(4 * iadev->num_vc, GFP_KERNEL);
+	if (!iadev->rx_open) {
 		printk(KERN_ERR DEV_LABEL "itf %d couldn't get free page\n",
 		dev->number);  
 		goto err_free_dle;
 	}  
-	memset(iadev->rx_open, 0, 4*iadev->num_vc);  
+
         iadev->rxing = 1;
         iadev->rx_pkt_cnt = 0;
 	/* Mode Register */  
@@ -3171,12 +3171,12 @@ static int __devinit ia_init_one(struct pci_dev *pdev,
         unsigned long flags;
 	int ret;
 
-	iadev = kmalloc(sizeof(*iadev), GFP_KERNEL); 
+	iadev = kzalloc(sizeof(*iadev), GFP_KERNEL);
 	if (!iadev) {
 		ret = -ENOMEM;
 		goto err_out;
 	}
-	memset(iadev, 0, sizeof(*iadev));
+
 	iadev->pci = pdev;
 
 	IF_INIT(printk("ia detected at bus:%d dev: %d function:%d\n",