#define ZERO_DEV(dev) \
memset(&dev->atr_csum,0, \
sizeof(struct cm4000_dev) - \
- /*link*/ sizeof(struct pcmcia_device) - \
- /*node*/ sizeof(dev_node_t) - \
- /*atr*/ MAX_ATR*sizeof(char) - \
- /*rbuf*/ 512*sizeof(char) - \
- /*sbuf*/ 512*sizeof(char) - \
- /*queue*/ 4*sizeof(wait_queue_head_t))
+ offsetof(struct cm4000_dev, atr_csum))
static struct pcmcia_device *dev_table[CM4000_MAX_DEV];
static struct class *cmm_class;
return;
}
-static struct file_operations cm4000_fops = {
+static const struct file_operations cm4000_fops = {
.owner = THIS_MODULE,
.read = cmm_read,
.write = cmm_write,
if (!cmm_class)
return -1;
- rc = pcmcia_register_driver(&cm4000_driver);
- if (rc < 0)
- return rc;
-
major = register_chrdev(0, DEVICE_NAME, &cm4000_fops);
if (major < 0) {
printk(KERN_WARNING MODULE_NAME
return -1;
}
+ rc = pcmcia_register_driver(&cm4000_driver);
+ if (rc < 0) {
+ unregister_chrdev(major, DEVICE_NAME);
+ return rc;
+ }
+
return 0;
}