diff -u --recursive --new-file org/linux-2.2.13.SuSE/drivers/isdn/isdn_common.c linux/drivers/isdn/isdn_common.c
--- org/linux-2.2.13.SuSE/drivers/isdn/isdn_common.c	Wed Oct 20 02:14:01 1999
+++ linux/drivers/isdn/isdn_common.c	Sat Oct 30 14:06:42 1999
@@ -371,6 +390,7 @@
 #include <linux/module.h>
 #include <linux/version.h>
 #include <linux/poll.h>
+#include <linux/vmalloc.h>
 #include <linux/isdn.h>
 #include "isdn_common.h"
 #include "isdn_tty.h"
@@ -2098,7 +2118,7 @@
 	save_flags(flags);
 	cli();
 	for (i = 0; i < ISDN_MAX_CHANNELS; i++)
-		if (((dev->usage[i] & ISDN_USAGE_MASK) == usage) &&
+		if (((!usage) || ((dev->usage[i] & ISDN_USAGE_MASK) == usage)) &&
 		    (dev->drvmap[i] == di) &&
 		    (dev->chanmap[i] == ch)) {
 			dev->usage[i] &= (ISDN_USAGE_NONE | ISDN_USAGE_EXCLUSIVE);
@@ -2470,8 +2490,7 @@
 	int i;
 	char tmprev[50];
 
-	sti();
-	if (!(dev = (isdn_dev *) kmalloc(sizeof(isdn_dev), GFP_KERNEL))) {
+	if (!(dev = (isdn_dev *) vmalloc(sizeof(isdn_dev)))) {
 		printk(KERN_WARNING "isdn: Could not allocate device-struct.\n");
 		return -EIO;
 	}
@@ -2487,7 +2506,7 @@
 	}
 	if (register_chrdev(ISDN_MAJOR, "isdn", &isdn_fops)) {
 		printk(KERN_WARNING "isdn: Could not register control devices\n");
-		kfree(dev);
+		vfree(dev);
 		return -EIO;
 	}
 	if ((i = isdn_tty_modem_init()) < 0) {
@@ -2496,7 +2515,7 @@
 			tty_unregister_driver(&dev->mdm.cua_modem);
 		if (i <= -2)
 			tty_unregister_driver(&dev->mdm.tty_modem);
-		kfree(dev);
+		vfree(dev);
 		unregister_chrdev(ISDN_MAJOR, "isdn");
 		return -EIO;
 	}
@@ -2508,7 +2527,7 @@
 		for (i = 0; i < ISDN_MAX_CHANNELS; i++)
 			kfree(dev->mdm.info[i].xmit_buf - 4);
 		unregister_chrdev(ISDN_MAJOR, "isdn");
-		kfree(dev);
+		vfree(dev);
 		return -EIO;
 	}
 #endif                          /* CONFIG_ISDN_PPP */
@@ -2577,7 +2596,7 @@
 		printk(KERN_WARNING "isdn: controldevice busy, remove cancelled\n");
 	} else {
 		del_timer(&dev->timer);
-		kfree(dev);
+		vfree(dev);
 		printk(KERN_NOTICE "ISDN-subsystem unloaded\n");
 	}
 	restore_flags(flags);