#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/slab.h>
+#include <linux/smp_lock.h>
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/sched.h>
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
-#ifndef CONFIG_BT_HCIVHCI_DEBUG
-#undef BT_DBG
-#define BT_DBG(D...)
-#endif
-
#define VERSION "1.2"
static int minor = MISC_DYNAMIC_MINOR;
return total;
}
-static loff_t vhci_llseek(struct file *file, loff_t offset, int origin)
-{
- return -ESPIPE;
-}
-
static ssize_t vhci_read(struct file *file,
char __user *buf, size_t count, loff_t *pos)
{
skb_queue_head_init(&data->readq);
init_waitqueue_head(&data->read_wait);
+ lock_kernel();
hdev = hci_alloc_dev();
if (!hdev) {
kfree(data);
+ unlock_kernel();
return -ENOMEM;
}
data->hdev = hdev;
- hdev->type = HCI_VHCI;
+ hdev->type = HCI_VIRTUAL;
hdev->driver_data = data;
hdev->open = vhci_open_dev;
BT_ERR("Can't register HCI device");
kfree(data);
hci_free_dev(hdev);
+ unlock_kernel();
return -EBUSY;
}
file->private_data = data;
+ unlock_kernel();
return nonseekable_open(inode, file);
}
static int vhci_fasync(int fd, struct file *file, int on)
{
struct vhci_data *data = file->private_data;
- int err;
+ int err = 0;
+ lock_kernel();
err = fasync_helper(fd, file, on, &data->fasync);
if (err < 0)
- return err;
+ goto out;
if (on)
data->flags |= VHCI_FASYNC;
else
data->flags &= ~VHCI_FASYNC;
- return 0;
+out:
+ unlock_kernel();
+ return err;
}
-static struct file_operations vhci_fops = {
+static const struct file_operations vhci_fops = {
.owner = THIS_MODULE,
- .llseek = vhci_llseek,
.read = vhci_read,
.write = vhci_write,
.poll = vhci_poll,
module_param(minor, int, 0444);
MODULE_PARM_DESC(minor, "Miscellaneous minor device number");
-MODULE_AUTHOR("Maxim Krasnyansky <maxk@qualcomm.com>, Marcel Holtmann <marcel@holtmann.org>");
+MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
MODULE_DESCRIPTION("Bluetooth virtual HCI driver ver " VERSION);
MODULE_VERSION(VERSION);
MODULE_LICENSE("GPL");