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- implement basic udev support, now /dev/mISDN should be created on the fly

This commit is contained in:
Karsten Keil 2005-06-23 16:25:51 +00:00
parent 08ac4af99a
commit 822b8d28ee
1 changed files with 19 additions and 0 deletions
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19
drivers/isdn/hardware/mISDN/udevice.c
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@ -10,6 +10,7 @@
#include <linux/vmalloc.h>
#include <linux/config.h>
#include <linux/timer.h>
#include <linux/devfs_fs_kernel.h>
#include "core.h"
#define MAX_HEADER_LEN 4
@ -57,6 +58,8 @@ typedef struct entity_item {
static LIST_HEAD(mISDN_devicelist);
static rwlock_t mISDN_device_lock = RW_LOCK_UNLOCKED;
static struct class_simple *mISDN_class;
static mISDNobject_t udev_obj;
static char MName[] = "UserDevice";
@ -1966,8 +1969,21 @@ int init_mISDNdev (int debug) {
printk(KERN_WARNING "mISDN: Could not register devices\n");
return(-EIO);
}
mISDN_class = class_simple_create(THIS_MODULE, "mISDN");
if (IS_ERR(mISDN_class)) {
unregister_chrdev(mISDN_MAJOR, "mISDN");
return PTR_ERR(mISDN_class);
}
class_simple_device_add(mISDN_class, MKDEV(mISDN_MAJOR, 0), NULL, "mISDN");
devfs_mk_cdev(MKDEV(mISDN_MAJOR, 0), S_IFCHR | S_IRUSR | S_IWUSR, "mISDN");
if ((err = mISDN_register(&udev_obj))) {
printk(KERN_ERR "Can't register %s error(%d)\n", MName, err);
class_simple_device_remove(MKDEV(mISDN_MAJOR, 0));
class_simple_destroy(mISDN_class);
unregister_chrdev(mISDN_MAJOR, "mISDN");
devfs_remove("mISDN");
}
return(err);
}
@ -1986,8 +2002,11 @@ int free_mISDNdev(void) {
if ((err = mISDN_unregister(&udev_obj))) {
printk(KERN_ERR "Can't unregister UserDevice(%d)\n", err);
}
class_simple_device_remove(MKDEV(mISDN_MAJOR, 0));
class_simple_destroy(mISDN_class);
if ((err = unregister_chrdev(mISDN_MAJOR, "mISDN"))) {
printk(KERN_WARNING "mISDN: devices busy on remove\n");
}
devfs_remove("mISDN");
return(err);
}