break;
default:
- retval = -ENOTTY;
+ retval = -EINVAL;
break;
}
dev->devnum);
/* Allocate memory for our private */
- if (!(sisusb = kzalloc(sizeof(*sisusb), GFP_KERNEL))) {
+ if (!(sisusb = kmalloc(sizeof(*sisusb), GFP_KERNEL))) {
printk(KERN_ERR
"sisusb: Failed to allocate memory for private data\n");
return -ENOMEM;
}
+ memset(sisusb, 0, sizeof(*sisusb));
kref_init(&sisusb->kref);
init_MUTEX(&(sisusb->lock));