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Bluetooth: Remove HCI-owner field

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After unregistering an hci_dev object a bluetooth driver does not have
any callbacks in the hci_dev structure left over. Therefore, there is no
need to keep a reference to the module.

Previously, we needed this to protect the hci-destruct callback.
However, this callback is no longer available so we do not need this
owner field, anymore.  Drivers now call hci_unregister_dev() and they
are done with the object.

Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
This commit is contained in:
David Herrmann 2012-01-07 15:47:22 +01:00 committed by Johan Hedberg
parent 46e06531a5
commit e9b9cfa157
14 changed files with 3 additions and 35 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/bluetooth/bfusb.c
View File

@ -705,8 +705,6 @@ static int bfusb_probe(struct usb_interface *intf, const struct usb_device_id *i
hdev->send = bfusb_send_frame;
hdev->ioctl = bfusb_ioctl;
hdev->owner = THIS_MODULE;
if (hci_register_dev(hdev) < 0) {
BT_ERR("Can't register HCI device");
hci_free_dev(hdev);

2
drivers/bluetooth/bluecard_cs.c
View File

@ -738,8 +738,6 @@ static int bluecard_open(bluecard_info_t *info)
hdev->send = bluecard_hci_send_frame;
hdev->ioctl = bluecard_hci_ioctl;
hdev->owner = THIS_MODULE;
id = inb(iobase + 0x30);
if ((id & 0x0f) == 0x02)

2
drivers/bluetooth/bpa10x.c
View File

@ -470,8 +470,6 @@ static int bpa10x_probe(struct usb_interface *intf, const struct usb_device_id *
hdev->flush = bpa10x_flush;
hdev->send = bpa10x_send_frame;
hdev->owner = THIS_MODULE;
set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks);
err = hci_register_dev(hdev);

2
drivers/bluetooth/bt3c_cs.c
View File

@ -584,8 +584,6 @@ static int bt3c_open(bt3c_info_t *info)
hdev->send = bt3c_hci_send_frame;
hdev->ioctl = bt3c_hci_ioctl;
hdev->owner = THIS_MODULE;
/* Load firmware */
err = request_firmware(&firmware, "BT3CPCC.bin", &info->p_dev->dev);
if (err < 0) {

1
drivers/bluetooth/btmrvl_main.c
View File

@ -550,7 +550,6 @@ int btmrvl_register_hdev(struct btmrvl_private *priv)
hdev->flush = btmrvl_flush;
hdev->send = btmrvl_send_frame;
hdev->ioctl = btmrvl_ioctl;
hdev->owner = THIS_MODULE;
btmrvl_send_module_cfg_cmd(priv, MODULE_BRINGUP_REQ);

2
drivers/bluetooth/btsdio.c
View File

@ -337,8 +337,6 @@ static int btsdio_probe(struct sdio_func *func,
hdev->flush = btsdio_flush;
hdev->send = btsdio_send_frame;
hdev->owner = THIS_MODULE;
err = hci_register_dev(hdev);
if (err < 0) {
hci_free_dev(hdev);

2
drivers/bluetooth/btuart_cs.c
View File

@ -502,8 +502,6 @@ static int btuart_open(btuart_info_t *info)
hdev->send = btuart_hci_send_frame;
hdev->ioctl = btuart_hci_ioctl;
hdev->owner = THIS_MODULE;
spin_lock_irqsave(&(info->lock), flags);
/* Reset UART */

2
drivers/bluetooth/btusb.c
View File

@ -997,8 +997,6 @@ static int btusb_probe(struct usb_interface *intf,
hdev->send = btusb_send_frame;
hdev->notify = btusb_notify;
hdev->owner = THIS_MODULE;
/* Interface numbers are hardcoded in the specification */
data->isoc = usb_ifnum_to_if(data->udev, 1);

1
drivers/bluetooth/btwilink.c
View File

@ -317,7 +317,6 @@ static int bt_ti_probe(struct platform_device *pdev)
hdev->close = ti_st_close;
hdev->flush = NULL;
hdev->send = ti_st_send_frame;
hdev->owner = THIS_MODULE;
err = hci_register_dev(hdev);
if (err < 0) {

2
drivers/bluetooth/dtl1_cs.c
View File

@ -484,8 +484,6 @@ static int dtl1_open(dtl1_info_t *info)
hdev->send = dtl1_hci_send_frame;
hdev->ioctl = dtl1_hci_ioctl;
hdev->owner = THIS_MODULE;
spin_lock_irqsave(&(info->lock), flags);
/* Reset UART */

2
drivers/bluetooth/hci_ldisc.c
View File

@ -392,8 +392,6 @@ static int hci_uart_register_dev(struct hci_uart *hu)
hdev->send = hci_uart_send_frame;
hdev->parent = hu->tty->dev;
hdev->owner = THIS_MODULE;
if (!reset)
set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks);

2
drivers/bluetooth/hci_vhci.c
View File

@ -244,8 +244,6 @@ static int vhci_open(struct inode *inode, struct file *file)
hdev->flush = vhci_flush;
hdev->send = vhci_send_frame;
hdev->owner = THIS_MODULE;
if (hci_register_dev(hdev) < 0) {
BT_ERR("Can't register HCI device");
kfree(data);

13
include/net/bluetooth/hci_core.h
View File

@ -262,8 +262,6 @@ struct hci_dev {
struct rfkill *rfkill;
struct module *owner;
unsigned long dev_flags;
int (*open)(struct hci_dev *hdev);
@ -601,11 +599,7 @@ static inline void __hci_dev_put(struct hci_dev *d)
* hci_dev_put and hci_dev_hold are macros to avoid dragging all the
* overhead of all the modular infrastructure into this header.
*/
#define hci_dev_put(d) \
do { \
__hci_dev_put(d); \
module_put(d->owner); \
} while (0)
#define hci_dev_put(d) __hci_dev_put(d)
static inline struct hci_dev *__hci_dev_hold(struct hci_dev *d)
{
@ -613,10 +607,7 @@ static inline struct hci_dev *__hci_dev_hold(struct hci_dev *d)
return d;
}
#define hci_dev_hold(d) \
({ \
try_module_get(d->owner) ? __hci_dev_hold(d) : NULL; \
})
#define hci_dev_hold(d) __hci_dev_hold(d)
#define hci_dev_lock(d) mutex_lock(&d->lock)
#define hci_dev_unlock(d) mutex_unlock(&d->lock)

3
net/bluetooth/hci_core.c
View File

@ -1548,8 +1548,7 @@ int hci_register_dev(struct hci_dev *hdev)
struct list_head *head = &hci_dev_list, *p;
int i, id, error;
BT_DBG("%p name %s bus %d owner %p", hdev, hdev->name,
hdev->bus, hdev->owner);
BT_DBG("%p name %s bus %d", hdev, hdev->name, hdev->bus);
if (!hdev->open || !hdev->close)
return -EINVAL;