mutex_lock(&idetape_ref_mutex);
tape = ide_tape_g(disk);
if (tape) {
- kref_get(&tape->kref);
- if (ide_device_get(tape->drive)) {
- kref_put(&tape->kref, ide_tape_release);
+ if (ide_device_get(tape->drive))
tape = NULL;
- }
+ else
+ kref_get(&tape->kref);
}
mutex_unlock(&idetape_ref_mutex);
return tape;
static void ide_tape_put(struct ide_tape_obj *tape)
{
+ ide_drive_t *drive = tape->drive;
+
mutex_lock(&idetape_ref_mutex);
- ide_device_put(tape->drive);
kref_put(&tape->kref, ide_tape_release);
+ ide_device_put(drive);
mutex_unlock(&idetape_ref_mutex);
}