retval = adu_release_internal(dev);
exit:
- up(&dev->sem);
+ if (dev)
+ up(&dev->sem);
dbg(2," %s : leave, return value %d", __FUNCTION__, retval);
return retval;
}
}
/* file operations needed when we register this driver */
-static struct file_operations adu_fops = {
+static const struct file_operations adu_fops = {
.owner = THIS_MODULE,
.read = adu_read,
.write = adu_write,