[janitor] update the ni65 network driver to

        1) remove call to check_region and use request_region instead checking the return value 
        2) release region resource in case of driver initialisation error

I don't have this hardware so compilation checked only.

drivers/net/ni65.c

@@ -353,18 +353,21 @@ static int __init ni65_probe1(struct net_device *dev,int ioaddr)
 	unsigned long flags;
 
 	for(i=0;i<NUM_CARDS;i++) {
-		if(check_region(ioaddr, cards[i].total_size))
+		if(!request_region(ioaddr, cards[i].total_size, cards[i].cardname))
 			continue;
 		if(cards[i].id_offset >= 0) {
 			if(inb(ioaddr+cards[i].id_offset+0) != cards[i].id0 ||
 				 inb(ioaddr+cards[i].id_offset+1) != cards[i].id1) {
+				 release_region(ioaddr, cards[i].total_size);
 				 continue;
 			}
 		}
 		if(cards[i].vendor_id) {
 			for(j=0;j<3;j++)
-				if(inb(ioaddr+cards[i].addr_offset+j) != cards[i].vendor_id[j])
+				if(inb(ioaddr+cards[i].addr_offset+j) != cards[i].vendor_id[j]) {
+					release_region(ioaddr, cards[i].total_size);
 					continue;
+			  }
 		}
 		break;
 	}
@@ -374,8 +377,10 @@ static int __init ni65_probe1(struct net_device *dev,int ioaddr)
 	for(j=0;j<6;j++)
 		dev->dev_addr[j] = inb(ioaddr+cards[i].addr_offset+j);
 
-	if( (j=ni65_alloc_buffer(dev)) < 0)
+	if( (j=ni65_alloc_buffer(dev)) < 0) {
+		release_region(ioaddr, cards[i].total_size);
 		return j;
+	}
 	p = (struct priv *) dev->priv;
 	p->cmdr_addr = ioaddr + cards[i].cmd_offset;
 	p->cardno = i;
@@ -386,6 +391,7 @@ static int __init ni65_probe1(struct net_device *dev,int ioaddr)
 	if( (j=readreg(CSR0)) != 0x4) {
 		 printk(KERN_ERR "can't RESET card: %04x\n",j);
 		 ni65_free_buffer(p);
+		 release_region(ioaddr, cards[p->cardno].total_size);
 		 return -EAGAIN;
 	}
 
@@ -437,6 +443,7 @@ static int __init ni65_probe1(struct net_device *dev,int ioaddr)
 			if(i == 5) {
 				printk("Can't detect DMA channel!\n");
 				ni65_free_buffer(p);
+				release_region(ioaddr, cards[p->cardno].total_size);
 				return -EAGAIN;
 			}
 			dev->dma = dmatab[i];
@@ -459,6 +466,7 @@ static int __init ni65_probe1(struct net_device *dev,int ioaddr)
 			{
 				printk("Failed to detect IRQ line!\n");
 				ni65_free_buffer(p);
+				release_region(ioaddr, cards[p->cardno].total_size);
 				return -EAGAIN;
 			}
 			printk("IRQ %d (autodetected).\n",dev->irq);
@@ -471,14 +479,10 @@ static int __init ni65_probe1(struct net_device *dev,int ioaddr)
 	{
 		printk("%s: Can't request dma-channel %d\n",dev->name,(int) dev->dma);
 		ni65_free_buffer(p);
+		release_region(ioaddr, cards[p->cardno].total_size);
 		return -EAGAIN;
 	}
 
-	/*
-	 * Grab the region so we can find another board.
-	 */
-	request_region(ioaddr,cards[p->cardno].total_size,cards[p->cardno].cardname);
-
 	dev->base_addr = ioaddr;
 
 	dev->open		= ni65_open;