linux 2.6.16.38 w/ vs2.0.3-rc1
[linux-2.6.git] / drivers / block / paride / pt.c
index 35fb266..715ae5d 100644 (file)
@@ -141,6 +141,7 @@ static int (*drives[4])[6] = {&drive0, &drive1, &drive2, &drive3};
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/fs.h>
+#include <linux/devfs_fs_kernel.h>
 #include <linux/delay.h>
 #include <linux/slab.h>
 #include <linux/mtio.h>
@@ -942,8 +943,7 @@ static ssize_t pt_write(struct file *filp, const char __user *buf, size_t count,
 
 static int __init pt_init(void)
 {
-       int unit;
-       int err;
+       int unit, err = 0;
 
        if (disable) {
                err = -1;
@@ -955,30 +955,46 @@ static int __init pt_init(void)
                goto out;
        }
 
-       err = register_chrdev(major, name, &pt_fops);
-       if (err < 0) {
+       if (register_chrdev(major, name, &pt_fops)) {
                printk("pt_init: unable to get major number %d\n", major);
                for (unit = 0; unit < PT_UNITS; unit++)
                        if (pt[unit].present)
                                pi_release(pt[unit].pi);
+               err = -1;
                goto out;
        }
-       major = err;
        pt_class = class_create(THIS_MODULE, "pt");
        if (IS_ERR(pt_class)) {
                err = PTR_ERR(pt_class);
                goto out_chrdev;
        }
 
+       devfs_mk_dir("pt");
        for (unit = 0; unit < PT_UNITS; unit++)
                if (pt[unit].present) {
                        class_device_create(pt_class, NULL, MKDEV(major, unit),
                                        NULL, "pt%d", unit);
+                       err = devfs_mk_cdev(MKDEV(major, unit),
+                                     S_IFCHR | S_IRUSR | S_IWUSR,
+                                     "pt/%d", unit);
+                       if (err) {
+                               class_device_destroy(pt_class, MKDEV(major, unit));
+                               goto out_class;
+                       }
                        class_device_create(pt_class, NULL, MKDEV(major, unit + 128),
                                        NULL, "pt%dn", unit);
+                       err = devfs_mk_cdev(MKDEV(major, unit + 128),
+                                     S_IFCHR | S_IRUSR | S_IWUSR,
+                                     "pt/%dn", unit);
+                       if (err) {
+                               class_device_destroy(pt_class, MKDEV(major, unit + 128));
+                               goto out_class;
+                       }
                }
        goto out;
 
+out_class:
+       class_destroy(pt_class);
 out_chrdev:
        unregister_chrdev(major, "pt");
 out:
@@ -991,9 +1007,12 @@ static void __exit pt_exit(void)
        for (unit = 0; unit < PT_UNITS; unit++)
                if (pt[unit].present) {
                        class_device_destroy(pt_class, MKDEV(major, unit));
+                       devfs_remove("pt/%d", unit);
                        class_device_destroy(pt_class, MKDEV(major, unit + 128));
+                       devfs_remove("pt/%dn", unit);
                }
        class_destroy(pt_class);
+       devfs_remove("pt");
        unregister_chrdev(major, name);
        for (unit = 0; unit < PT_UNITS; unit++)
                if (pt[unit].present)