On Wed, Feb 17, 2021 at 10:49:46AM +0300, Dan Carpenter wrote:
[ Why is linux-mm CC'd on these patches??? - dan ]
sorry
for late, Hi Dan, FYI, we have defined related rule like mail cc
in repo definition of linux-next. This can be found at
https://github.com/intel/lkp-tests/blob/master/repo/linux/linux-next,
which could be a requirement in early days.
tree:
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: 6553715b6db5ff5d4898895dad1b2926cfe406cf
commit: fc342c4dc408754f50f19dc832152fbb4b73f1e6 [7132/11526] Bluetooth: btusb: Add
protocol support for MediaTek MT7921U USB devices
config: parisc-randconfig-m031-20210216 (attached as .config)
compiler: hppa-linux-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
Reported-by: Dan Carpenter <dan.carpenter(a)oracle.com>
New smatch warnings:
drivers/bluetooth/btusb.c:3775 btusb_mtk_setup() error: uninitialized symbol
'fw_version'.
Old smatch warnings:
drivers/bluetooth/btusb.c:2201 btusb_setup_intel() warn: inconsistent indenting
vim +/fw_version +3775 drivers/bluetooth/btusb.c
a1c49c434e15050 Sean Wang 2019-06-02 3729 static int btusb_mtk_setup(struct hci_dev
*hdev)
a1c49c434e15050 Sean Wang 2019-06-02 3730 {
a1c49c434e15050 Sean Wang 2019-06-02 3731 struct btusb_data *data =
hci_get_drvdata(hdev);
a1c49c434e15050 Sean Wang 2019-06-02 3732 struct btmtk_hci_wmt_params wmt_params;
a1c49c434e15050 Sean Wang 2019-06-02 3733 ktime_t calltime, delta, rettime;
a1c49c434e15050 Sean Wang 2019-06-02 3734 struct btmtk_tci_sleep tci_sleep;
a1c49c434e15050 Sean Wang 2019-06-02 3735 unsigned long long duration;
a1c49c434e15050 Sean Wang 2019-06-02 3736 struct sk_buff *skb;
a1c49c434e15050 Sean Wang 2019-06-02 3737 const char *fwname;
a1c49c434e15050 Sean Wang 2019-06-02 3738 int err, status;
a1c49c434e15050 Sean Wang 2019-06-02 3739 u32 dev_id;
fc342c4dc408754 Mark Chen 2021-02-02 3740 char fw_bin_name[64];
fc342c4dc408754 Mark Chen 2021-02-02 3741 u32 fw_version;
a1c49c434e15050 Sean Wang 2019-06-02 3742 u8 param;
a1c49c434e15050 Sean Wang 2019-06-02 3743
a1c49c434e15050 Sean Wang 2019-06-02 3744 calltime = ktime_get();
a1c49c434e15050 Sean Wang 2019-06-02 3745
48c13301e6baba5 Mark Chen 2021-02-02 3746 err = btusb_mtk_id_get(data, 0x80000008,
&dev_id);
a1c49c434e15050 Sean Wang 2019-06-02 3747 if (err < 0) {
a1c49c434e15050 Sean Wang 2019-06-02 3748 bt_dev_err(hdev, "Failed to get device
id (%d)", err);
a1c49c434e15050 Sean Wang 2019-06-02 3749 return err;
a1c49c434e15050 Sean Wang 2019-06-02 3750 }
a1c49c434e15050 Sean Wang 2019-06-02 3751
fc342c4dc408754 Mark Chen 2021-02-02 3752 if (!dev_id) {
fc342c4dc408754 Mark Chen 2021-02-02 3753 err = btusb_mtk_id_get(data, 0x70010200,
&dev_id);
fc342c4dc408754 Mark Chen 2021-02-02 3754 if (err < 0) {
fc342c4dc408754 Mark Chen 2021-02-02 3755 bt_dev_err(hdev, "Failed to get
device id (%d)", err);
fc342c4dc408754 Mark Chen 2021-02-02 3756 return err;
fc342c4dc408754 Mark Chen 2021-02-02 3757 }
fc342c4dc408754 Mark Chen 2021-02-02 3758 err = btusb_mtk_id_get(data, 0x80021004,
&fw_version);
fc342c4dc408754 Mark Chen 2021-02-02 3759 if (err < 0) {
fc342c4dc408754 Mark Chen 2021-02-02 3760 bt_dev_err(hdev, "Failed to get fw
version (%d)", err);
fc342c4dc408754 Mark Chen 2021-02-02 3761 return err;
fc342c4dc408754 Mark Chen 2021-02-02 3762 }
fc342c4dc408754 Mark Chen 2021-02-02 3763 }
"fw_version" not initialized on else path.
fc342c4dc408754 Mark Chen 2021-02-02 3764
a1c49c434e15050 Sean Wang 2019-06-02 3765 switch (dev_id) {
9ce67c3235be71e Sean Wang 2019-06-02 3766 case 0x7663:
9ce67c3235be71e Sean Wang 2019-06-02 3767 fwname = FIRMWARE_MT7663;
9ce67c3235be71e Sean Wang 2019-06-02 3768 break;
a1c49c434e15050 Sean Wang 2019-06-02 3769 case 0x7668:
a1c49c434e15050 Sean Wang 2019-06-02 3770 fwname = FIRMWARE_MT7668;
a1c49c434e15050 Sean Wang 2019-06-02 3771 break;
fc342c4dc408754 Mark Chen 2021-02-02 3772 case 0x7961:
fc342c4dc408754 Mark Chen 2021-02-02 3773 snprintf(fw_bin_name, sizeof(fw_bin_name),
fc342c4dc408754 Mark Chen 2021-02-02 3774
"mediatek/BT_RAM_CODE_MT%04x_1_%x_hdr.bin",
fc342c4dc408754 Mark Chen 2021-02-02 @3775 dev_id & 0xffff, (fw_version &
0xff) + 1);
^^^^^^^^^^
fc342c4dc408754 Mark Chen 2021-02-02 3776 err = btusb_mtk_setup_firmware_79xx(hdev,
fw_bin_name);
fc342c4dc408754 Mark Chen 2021-02-02 3777
fc342c4dc408754 Mark Chen 2021-02-02 3778 /* Enable Bluetooth protocol */
fc342c4dc408754 Mark Chen 2021-02-02 3779 param = 1;
fc342c4dc408754 Mark Chen 2021-02-02 3780 wmt_params.op = BTMTK_WMT_FUNC_CTRL;
fc342c4dc408754 Mark Chen 2021-02-02 3781 wmt_params.flag = 0;
fc342c4dc408754 Mark Chen 2021-02-02 3782 wmt_params.dlen = sizeof(param);
fc342c4dc408754 Mark Chen 2021-02-02 3783 wmt_params.data = ¶m;
fc342c4dc408754 Mark Chen 2021-02-02 3784 wmt_params.status = NULL;
fc342c4dc408754 Mark Chen 2021-02-02 3785
fc342c4dc408754 Mark Chen 2021-02-02 3786 err = btusb_mtk_hci_wmt_sync(hdev,
&wmt_params);
fc342c4dc408754 Mark Chen 2021-02-02 3787 if (err < 0) {
fc342c4dc408754 Mark Chen 2021-02-02 3788 bt_dev_err(hdev, "Failed to send wmt
func ctrl (%d)", err);
---
0-DAY CI Kernel Test Service, Intel Corporation
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