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bluetooth pull request for net:

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- ISO: Fix multiple init when debugfs is disabled
  - Call iso_exit() on module unload
  - Remove debugfs directory on module init failure
  - btusb: Fix not being able to reconnect after suspend
  - btusb: Fix regression with fake CSR controllers 0a12:0001
  - bnep: fix wild-memory-access in proto_unregister
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Merge tag 'for-net-2024-10-16' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth

Pull bluetooth fixes from Luiz Augusto Von Dentz:

 - ISO: Fix multiple init when debugfs is disabled

 - Call iso_exit() on module unload

 - Remove debugfs directory on module init failure

 - btusb: Fix not being able to reconnect after suspend

 - btusb: Fix regression with fake CSR controllers 0a12:0001

 - bnep: fix wild-memory-access in proto_unregister

Note: normally the bluetooth fixes go through the networking tree, but
this missed the weekly merge, and two of the commits fix regressions
that have caused a fair amount of noise and have now hit stable too:

  https://lore.kernel.org/all/4e1977ca-6166-4891-965e-34a6f319035f@leemhuis.info/

So I'm pulling it directly just to expedite things and not miss yet
another -rc release. This is not meant to become a new pattern.

* tag 'for-net-2024-10-16' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth:
  Bluetooth: btusb: Fix regression with fake CSR controllers 0a12:0001
  Bluetooth: bnep: fix wild-memory-access in proto_unregister
  Bluetooth: btusb: Fix not being able to reconnect after suspend
  Bluetooth: Remove debugfs directory on module init failure
  Bluetooth: Call iso_exit() on module unload
  Bluetooth: ISO: Fix multiple init when debugfs is disabled
This commit is contained in:
Linus Torvalds 2024-10-20 14:08:17 -07:00
commit d7f513ae7b
4 changed files with 14 additions and 25 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
drivers/bluetooth/btusb.c
View File

@ -1345,10 +1345,15 @@ static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags)
if (!urb)
return -ENOMEM;
/* Use maximum HCI Event size so the USB stack handles
* ZPL/short-transfer automatically.
*/
size = HCI_MAX_EVENT_SIZE;
if (le16_to_cpu(data->udev->descriptor.idVendor) == 0x0a12 &&
le16_to_cpu(data->udev->descriptor.idProduct) == 0x0001)
/* Fake CSR devices don't seem to support sort-transter */
size = le16_to_cpu(data->intr_ep->wMaxPacketSize);
else
/* Use maximum HCI Event size so the USB stack handles
* ZPL/short-transfer automatically.
*/
size = HCI_MAX_EVENT_SIZE;
buf = kmalloc(size, mem_flags);
if (!buf) {
@ -4038,7 +4043,6 @@ static void btusb_disconnect(struct usb_interface *intf)
static int btusb_suspend(struct usb_interface *intf, pm_message_t message)
{
struct btusb_data *data = usb_get_intfdata(intf);
int err;
BT_DBG("intf %p", intf);
@ -4051,16 +4055,6 @@ static int btusb_suspend(struct usb_interface *intf, pm_message_t message)
if (data->suspend_count++)
return 0;
/* Notify Host stack to suspend; this has to be done before stopping
* the traffic since the hci_suspend_dev itself may generate some
* traffic.
*/
err = hci_suspend_dev(data->hdev);
if (err) {
data->suspend_count--;
return err;
}
spin_lock_irq(&data->txlock);
if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) {
set_bit(BTUSB_SUSPENDING, &data->flags);
@ -4068,7 +4062,6 @@ static int btusb_suspend(struct usb_interface *intf, pm_message_t message)
} else {
spin_unlock_irq(&data->txlock);
data->suspend_count--;
hci_resume_dev(data->hdev);
return -EBUSY;
}
@ -4189,8 +4182,6 @@ static int btusb_resume(struct usb_interface *intf)
spin_unlock_irq(&data->txlock);
schedule_work(&data->work);
hci_resume_dev(data->hdev);
return 0;
failed:

3
net/bluetooth/af_bluetooth.c
View File

@ -825,11 +825,14 @@ cleanup_sysfs:
bt_sysfs_cleanup();
cleanup_led:
bt_leds_cleanup();
debugfs_remove_recursive(bt_debugfs);
return err;
}
static void __exit bt_exit(void)
{
iso_exit();
mgmt_exit();
sco_exit();

3
net/bluetooth/bnep/core.c
View File

@ -745,8 +745,7 @@ static int __init bnep_init(void)
if (flt[0])
BT_INFO("BNEP filters: %s", flt);
bnep_sock_init();
return 0;
return bnep_sock_init();
}
static void __exit bnep_exit(void)

6
net/bluetooth/iso.c
View File

@ -2301,13 +2301,9 @@ int iso_init(void)
hci_register_cb(&iso_cb);
if (IS_ERR_OR_NULL(bt_debugfs))
return 0;
if (!iso_debugfs) {
if (!IS_ERR_OR_NULL(bt_debugfs))
iso_debugfs = debugfs_create_file("iso", 0444, bt_debugfs,
NULL, &iso_debugfs_fops);
}
iso_inited = true;