[PATCH v3] Bluetooth: btmtk: add event filter to filter specific event
kernel test robot
lkp at intel.com
Wed Apr 15 11:20:44 PDT 2026
Hi Chris,
kernel test robot noticed the following build errors:
[auto build test ERROR on bluetooth/master]
[also build test ERROR on bluetooth-next/master linus/master v7.0 next-20260414]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Chris-Lu/Bluetooth-btmtk-add-event-filter-to-filter-specific-event/20260415-122458
base: https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth.git master
patch link: https://lore.kernel.org/r/20260412090242.1129701-1-chris.lu%40mediatek.com
patch subject: [PATCH v3] Bluetooth: btmtk: add event filter to filter specific event
config: x86_64-randconfig-161-20260415 (https://download.01.org/0day-ci/archive/20260416/202604160237.pgNaPPAX-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
smatch: v0.5.0-9007-gcf3ea02b
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260416/202604160237.pgNaPPAX-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202604160237.pgNaPPAX-lkp@intel.com/
All errors (new ones prefixed by >>):
ld: drivers/bluetooth/btusb.o: in function `btusb_probe':
>> drivers/bluetooth/btusb.c:4142:(.text+0x6c1a): undefined reference to `btmtk_recv_event'
vim +4142 drivers/bluetooth/btusb.c
4023
4024 static int btusb_probe(struct usb_interface *intf,
4025 const struct usb_device_id *id)
4026 {
4027 struct usb_endpoint_descriptor *ep_desc;
4028 struct gpio_desc *reset_gpio;
4029 struct btusb_data *data;
4030 struct hci_dev *hdev;
4031 unsigned ifnum_base;
4032 int i, err, priv_size;
4033
4034 BT_DBG("intf %p id %p", intf, id);
4035
4036 if ((id->driver_info & BTUSB_IFNUM_2) &&
4037 (intf->cur_altsetting->desc.bInterfaceNumber != 0) &&
4038 (intf->cur_altsetting->desc.bInterfaceNumber != 2))
4039 return -ENODEV;
4040
4041 ifnum_base = intf->cur_altsetting->desc.bInterfaceNumber;
4042
4043 if (!id->driver_info) {
4044 const struct usb_device_id *match;
4045
4046 match = usb_match_id(intf, quirks_table);
4047 if (match)
4048 id = match;
4049 }
4050
4051 if (id->driver_info == BTUSB_IGNORE)
4052 return -ENODEV;
4053
4054 if (id->driver_info & BTUSB_ATH3012) {
4055 struct usb_device *udev = interface_to_usbdev(intf);
4056
4057 /* Old firmware would otherwise let ath3k driver load
4058 * patch and sysconfig files
4059 */
4060 if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001 &&
4061 !btusb_qca_need_patch(udev))
4062 return -ENODEV;
4063 }
4064
4065 data = kzalloc_obj(*data);
4066 if (!data)
4067 return -ENOMEM;
4068
4069 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
4070 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
4071
4072 if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) {
4073 data->intr_ep = ep_desc;
4074 continue;
4075 }
4076
4077 if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
4078 data->bulk_tx_ep = ep_desc;
4079 continue;
4080 }
4081
4082 if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
4083 data->bulk_rx_ep = ep_desc;
4084 continue;
4085 }
4086 }
4087
4088 if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) {
4089 kfree(data);
4090 return -ENODEV;
4091 }
4092
4093 if (id->driver_info & BTUSB_AMP) {
4094 data->cmdreq_type = USB_TYPE_CLASS | 0x01;
4095 data->cmdreq = 0x2b;
4096 } else {
4097 data->cmdreq_type = USB_TYPE_CLASS;
4098 data->cmdreq = 0x00;
4099 }
4100
4101 data->udev = interface_to_usbdev(intf);
4102 data->intf = intf;
4103
4104 INIT_WORK(&data->work, btusb_work);
4105 INIT_WORK(&data->waker, btusb_waker);
4106 INIT_DELAYED_WORK(&data->rx_work, btusb_rx_work);
4107
4108 skb_queue_head_init(&data->acl_q);
4109
4110 init_usb_anchor(&data->deferred);
4111 init_usb_anchor(&data->tx_anchor);
4112 spin_lock_init(&data->txlock);
4113
4114 init_usb_anchor(&data->intr_anchor);
4115 init_usb_anchor(&data->bulk_anchor);
4116 init_usb_anchor(&data->isoc_anchor);
4117 init_usb_anchor(&data->diag_anchor);
4118 init_usb_anchor(&data->ctrl_anchor);
4119 spin_lock_init(&data->rxlock);
4120
4121 priv_size = 0;
4122
4123 data->recv_event = hci_recv_frame;
4124 data->recv_bulk = btusb_recv_bulk;
4125
4126 if (id->driver_info & BTUSB_INTEL_COMBINED) {
4127 /* Allocate extra space for Intel device */
4128 priv_size += sizeof(struct btintel_data);
4129
4130 /* Override the rx handlers */
4131 data->recv_event = btintel_recv_event;
4132 data->recv_bulk = btusb_recv_bulk_intel;
4133 } else if (id->driver_info & BTUSB_REALTEK) {
4134 /* Allocate extra space for Realtek device */
4135 priv_size += sizeof(struct btrealtek_data);
4136
4137 data->recv_event = btusb_recv_event_realtek;
4138 } else if (id->driver_info & BTUSB_MEDIATEK) {
4139 /* Allocate extra space for Mediatek device */
4140 priv_size += sizeof(struct btmtk_data);
4141
> 4142 data->recv_event = btmtk_recv_event;
4143 }
4144
4145 data->recv_acl = hci_recv_frame;
4146
4147 hdev = hci_alloc_dev_priv(priv_size);
4148 if (!hdev) {
4149 kfree(data);
4150 return -ENOMEM;
4151 }
4152
4153 hdev->bus = HCI_USB;
4154 hci_set_drvdata(hdev, data);
4155
4156 data->hdev = hdev;
4157
4158 SET_HCIDEV_DEV(hdev, &intf->dev);
4159
4160 reset_gpio = gpiod_get_optional(&data->udev->dev, "reset",
4161 GPIOD_OUT_LOW);
4162 if (IS_ERR(reset_gpio)) {
4163 err = PTR_ERR(reset_gpio);
4164 goto out_free_dev;
4165 } else if (reset_gpio) {
4166 data->reset_gpio = reset_gpio;
4167 }
4168
4169 hdev->open = btusb_open;
4170 hdev->close = btusb_close;
4171 hdev->flush = btusb_flush;
4172 hdev->send = btusb_send_frame;
4173 hdev->notify = btusb_notify;
4174 hdev->wakeup = btusb_wakeup;
4175 hdev->hci_drv = &btusb_hci_drv;
4176
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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