X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fide%2Fide-tape.c;h=0ac7eb8f40d537ae04c2db1b23a2d819df835e69;hb=a9931a6e37c09f6b76a9fa0cbd777c335548692b;hp=5a3dc46008e64895fd5ccbe5e48dd3d32bd7a079;hpb=4d8e11dcc29f4983bec67506d77728a04082e92d;p=linux-2.6

diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index 5a3dc46008..0ac7eb8f40 100644
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -1013,6 +1013,8 @@ typedef struct ide_tape_obj {
 
 static DECLARE_MUTEX(idetape_ref_sem);
 
+static struct class *idetape_sysfs_class;
+
 #define to_ide_tape(obj) container_of(obj, struct ide_tape_obj, kref)
 
 #define ide_tape_g(disk) \
@@ -2903,8 +2905,7 @@ static int idetape_wait_ready(ide_drive_t *drive, unsigned long timeout)
 		} else if (!(tape->sense_key == 2 && tape->asc == 4 &&
 			     (tape->ascq == 1 || tape->ascq == 8)))
 			return -EIO;
-		current->state = TASK_INTERRUPTIBLE;
-  		schedule_timeout(HZ / 10);
+		msleep(100);
 	}
 	return -EIO;
 }
@@ -4705,6 +4706,10 @@ static void ide_tape_release(struct kref *kref)
 
 	drive->dsc_overlap = 0;
 	drive->driver_data = NULL;
+	class_device_destroy(idetape_sysfs_class,
+			MKDEV(IDETAPE_MAJOR, tape->minor));
+	class_device_destroy(idetape_sysfs_class,
+			MKDEV(IDETAPE_MAJOR, tape->minor + 128));
 	devfs_remove("%s/mt", drive->devfs_name);
 	devfs_remove("%s/mtn", drive->devfs_name);
 	devfs_unregister_tape(g->number);
@@ -4845,7 +4850,7 @@ static int ide_tape_probe(struct device *dev)
 		printk(KERN_WARNING "ide-tape: Use drive %s with ide-scsi emulation and osst.\n", drive->name);
 		printk(KERN_WARNING "ide-tape: OnStream support will be removed soon from ide-tape!\n");
 	}
-	tape = (idetape_tape_t *) kmalloc (sizeof (idetape_tape_t), GFP_KERNEL);
+	tape = (idetape_tape_t *) kzalloc (sizeof (idetape_tape_t), GFP_KERNEL);
 	if (tape == NULL) {
 		printk(KERN_ERR "ide-tape: %s: Can't allocate a tape structure\n", drive->name);
 		goto failed;
@@ -4859,8 +4864,6 @@ static int ide_tape_probe(struct device *dev)
 
 	ide_register_subdriver(drive, &idetape_driver);
 
-	memset(tape, 0, sizeof(*tape));
-
 	kref_init(&tape->kref);
 
 	tape->drive = drive;
@@ -4879,6 +4882,11 @@ static int ide_tape_probe(struct device *dev)
 
 	idetape_setup(drive, tape, minor);
 
+	class_device_create(idetape_sysfs_class, NULL,
+			MKDEV(IDETAPE_MAJOR, minor), dev, "%s", tape->name);
+	class_device_create(idetape_sysfs_class, NULL,
+			MKDEV(IDETAPE_MAJOR, minor + 128), dev, "n%s", tape->name);
+
 	devfs_mk_cdev(MKDEV(HWIF(drive)->major, minor),
 			S_IFCHR | S_IRUGO | S_IWUGO,
 			"%s/mt", drive->devfs_name);
@@ -4904,6 +4912,7 @@ MODULE_LICENSE("GPL");
 static void __exit idetape_exit (void)
 {
 	driver_unregister(&idetape_driver.gen_driver);
+	class_destroy(idetape_sysfs_class);
 	unregister_chrdev(IDETAPE_MAJOR, "ht");
 }
 
@@ -4912,11 +4921,33 @@ static void __exit idetape_exit (void)
  */
 static int idetape_init (void)
 {
+	int error = 1;
+	idetape_sysfs_class = class_create(THIS_MODULE, "ide_tape");
+	if (IS_ERR(idetape_sysfs_class)) {
+		idetape_sysfs_class = NULL;
+		printk(KERN_ERR "Unable to create sysfs class for ide tapes\n");
+		error = -EBUSY;
+		goto out;
+	}
+
 	if (register_chrdev(IDETAPE_MAJOR, "ht", &idetape_fops)) {
 		printk(KERN_ERR "ide-tape: Failed to register character device interface\n");
-		return -EBUSY;
+		error = -EBUSY;
+		goto out_free_class;
 	}
-	return driver_register(&idetape_driver.gen_driver);
+
+	error = driver_register(&idetape_driver.gen_driver);
+	if (error)
+		goto out_free_driver;
+
+	return 0;
+
+out_free_driver:
+	driver_unregister(&idetape_driver.gen_driver);
+out_free_class:
+	class_destroy(idetape_sysfs_class);
+out:
+	return error;
 }
 
 module_init(idetape_init);