[PATCH] isp16 -- use request_region

[PATCH] isp16 -- use request_region

[Stephen Hemminger]

Change isp16 from check_region to request_region.

diff -Nru a/drivers/cdrom/isp16.c b/drivers/cdrom/isp16.c
--- a/drivers/cdrom/isp16.c	Mon Sep 22 15:33:46 2003
+++ b/drivers/cdrom/isp16.c	Mon Sep 22 15:33:46 2003
@@ -121,14 +121,14 @@
 		return (0);
 	}
 
-	if (check_region(ISP16_IO_BASE, ISP16_IO_SIZE)) {
+	if (!request_region(ISP16_IO_BASE, ISP16_IO_SIZE, "isp16")) {
 		printk("ISP16: i/o ports already in use.\n");
-		return (-EIO);
+		goto ret_eio;
 	}
 
 	if ((isp16_type = isp16_detect()) < 0) {
 		printk("ISP16: no cdrom interface found.\n");
-		return (-EIO);
+		goto err;
 	}
 
 	printk(KERN_INFO
@@ -148,20 +148,24 @@
 	else {
 		printk("ISP16: %s not supported by cdrom interface.\n",
 		       isp16_cdrom_type);
-		return (-EIO);
+		goto err;
 	}
 
 	if (isp16_cdi_config(isp16_cdrom_base, expected_drive,
 			     isp16_cdrom_irq, isp16_cdrom_dma) < 0) {
 		printk
 		    ("ISP16: cdrom interface has not been properly configured.\n");
-		return (-EIO);
+		goto err;
 	}
 	printk(KERN_INFO
 	       "ISP16: cdrom interface set up with io base 0x%03X, irq %d, dma %d,"
 	       " type %s.\n", isp16_cdrom_base, isp16_cdrom_irq,
 	       isp16_cdrom_dma, isp16_cdrom_type);
 	return (0);
+ err:
+	release_region(ISP16_IO_BASE, ISP16_IO_SIZE);
+ ret_eio:
+	return (-EIO);
 }
 
 static short __init isp16_detect(void)