* [linux-next:master 7132/11526] drivers/bluetooth/btusb.c:3775 btusb_mtk_setup() error: uninitialized symbol 'fw_version'.
@ 2021-02-16 19:34 kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2021-02-16 19:34 UTC (permalink / raw)
To: kbuild
[-- Attachment #1: Type: text/plain, Size: 11657 bytes --]
CC: kbuild-all(a)lists.01.org
CC: Linux Memory Management List <linux-mm@kvack.org>
TO: Mark Chen <Mark-YW.Chen@mediatek.com>
CC: Marcel Holtmann <marcel@holtmann.org>
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
:::::: branch date: 9 hours ago
:::::: commit date: 2 weeks ago
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@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@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 3728
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 }
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);
fc342c4dc408754 Mark Chen 2021-02-02 3789 return err;
fc342c4dc408754 Mark Chen 2021-02-02 3790 }
fc342c4dc408754 Mark Chen 2021-02-02 3791 goto done;
a1c49c434e15050 Sean Wang 2019-06-02 3792 default:
a1c49c434e15050 Sean Wang 2019-06-02 3793 bt_dev_err(hdev, "Unsupported support hardware variant (%08x)",
a1c49c434e15050 Sean Wang 2019-06-02 3794 dev_id);
a1c49c434e15050 Sean Wang 2019-06-02 3795 return -ENODEV;
a1c49c434e15050 Sean Wang 2019-06-02 3796 }
a1c49c434e15050 Sean Wang 2019-06-02 3797
a1c49c434e15050 Sean Wang 2019-06-02 3798 /* Query whether the firmware is already download */
a1c49c434e15050 Sean Wang 2019-06-02 3799 wmt_params.op = BTMTK_WMT_SEMAPHORE;
a1c49c434e15050 Sean Wang 2019-06-02 3800 wmt_params.flag = 1;
a1c49c434e15050 Sean Wang 2019-06-02 3801 wmt_params.dlen = 0;
a1c49c434e15050 Sean Wang 2019-06-02 3802 wmt_params.data = NULL;
a1c49c434e15050 Sean Wang 2019-06-02 3803 wmt_params.status = &status;
a1c49c434e15050 Sean Wang 2019-06-02 3804
a1c49c434e15050 Sean Wang 2019-06-02 3805 err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
a1c49c434e15050 Sean Wang 2019-06-02 3806 if (err < 0) {
a1c49c434e15050 Sean Wang 2019-06-02 3807 bt_dev_err(hdev, "Failed to query firmware status (%d)", err);
a1c49c434e15050 Sean Wang 2019-06-02 3808 return err;
a1c49c434e15050 Sean Wang 2019-06-02 3809 }
a1c49c434e15050 Sean Wang 2019-06-02 3810
a1c49c434e15050 Sean Wang 2019-06-02 3811 if (status == BTMTK_WMT_PATCH_DONE) {
a1c49c434e15050 Sean Wang 2019-06-02 3812 bt_dev_info(hdev, "firmware already downloaded");
a1c49c434e15050 Sean Wang 2019-06-02 3813 goto ignore_setup_fw;
a1c49c434e15050 Sean Wang 2019-06-02 3814 }
a1c49c434e15050 Sean Wang 2019-06-02 3815
a1c49c434e15050 Sean Wang 2019-06-02 3816 /* Setup a firmware which the device definitely requires */
a1c49c434e15050 Sean Wang 2019-06-02 3817 err = btusb_mtk_setup_firmware(hdev, fwname);
a1c49c434e15050 Sean Wang 2019-06-02 3818 if (err < 0)
a1c49c434e15050 Sean Wang 2019-06-02 3819 return err;
a1c49c434e15050 Sean Wang 2019-06-02 3820
a1c49c434e15050 Sean Wang 2019-06-02 3821 ignore_setup_fw:
a1c49c434e15050 Sean Wang 2019-06-02 3822 err = readx_poll_timeout(btusb_mtk_func_query, hdev, status,
a1c49c434e15050 Sean Wang 2019-06-02 3823 status < 0 || status != BTMTK_WMT_ON_PROGRESS,
a1c49c434e15050 Sean Wang 2019-06-02 3824 2000, 5000000);
a1c49c434e15050 Sean Wang 2019-06-02 3825 /* -ETIMEDOUT happens */
a1c49c434e15050 Sean Wang 2019-06-02 3826 if (err < 0)
a1c49c434e15050 Sean Wang 2019-06-02 3827 return err;
a1c49c434e15050 Sean Wang 2019-06-02 3828
a1c49c434e15050 Sean Wang 2019-06-02 3829 /* The other errors happen in btusb_mtk_func_query */
a1c49c434e15050 Sean Wang 2019-06-02 3830 if (status < 0)
a1c49c434e15050 Sean Wang 2019-06-02 3831 return status;
a1c49c434e15050 Sean Wang 2019-06-02 3832
a1c49c434e15050 Sean Wang 2019-06-02 3833 if (status == BTMTK_WMT_ON_DONE) {
a1c49c434e15050 Sean Wang 2019-06-02 3834 bt_dev_info(hdev, "function already on");
a1c49c434e15050 Sean Wang 2019-06-02 3835 goto ignore_func_on;
a1c49c434e15050 Sean Wang 2019-06-02 3836 }
a1c49c434e15050 Sean Wang 2019-06-02 3837
a1c49c434e15050 Sean Wang 2019-06-02 3838 /* Enable Bluetooth protocol */
a1c49c434e15050 Sean Wang 2019-06-02 3839 param = 1;
a1c49c434e15050 Sean Wang 2019-06-02 3840 wmt_params.op = BTMTK_WMT_FUNC_CTRL;
a1c49c434e15050 Sean Wang 2019-06-02 3841 wmt_params.flag = 0;
a1c49c434e15050 Sean Wang 2019-06-02 3842 wmt_params.dlen = sizeof(param);
a1c49c434e15050 Sean Wang 2019-06-02 3843 wmt_params.data = ¶m;
a1c49c434e15050 Sean Wang 2019-06-02 3844 wmt_params.status = NULL;
a1c49c434e15050 Sean Wang 2019-06-02 3845
a1c49c434e15050 Sean Wang 2019-06-02 3846 err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
a1c49c434e15050 Sean Wang 2019-06-02 3847 if (err < 0) {
a1c49c434e15050 Sean Wang 2019-06-02 3848 bt_dev_err(hdev, "Failed to send wmt func ctrl (%d)", err);
a1c49c434e15050 Sean Wang 2019-06-02 3849 return err;
a1c49c434e15050 Sean Wang 2019-06-02 3850 }
a1c49c434e15050 Sean Wang 2019-06-02 3851
a1c49c434e15050 Sean Wang 2019-06-02 3852 ignore_func_on:
a1c49c434e15050 Sean Wang 2019-06-02 3853 /* Apply the low power environment setup */
a1c49c434e15050 Sean Wang 2019-06-02 3854 tci_sleep.mode = 0x5;
a1c49c434e15050 Sean Wang 2019-06-02 3855 tci_sleep.duration = cpu_to_le16(0x640);
a1c49c434e15050 Sean Wang 2019-06-02 3856 tci_sleep.host_duration = cpu_to_le16(0x640);
a1c49c434e15050 Sean Wang 2019-06-02 3857 tci_sleep.host_wakeup_pin = 0;
a1c49c434e15050 Sean Wang 2019-06-02 3858 tci_sleep.time_compensation = 0;
a1c49c434e15050 Sean Wang 2019-06-02 3859
a1c49c434e15050 Sean Wang 2019-06-02 3860 skb = __hci_cmd_sync(hdev, 0xfc7a, sizeof(tci_sleep), &tci_sleep,
a1c49c434e15050 Sean Wang 2019-06-02 3861 HCI_INIT_TIMEOUT);
a1c49c434e15050 Sean Wang 2019-06-02 3862 if (IS_ERR(skb)) {
a1c49c434e15050 Sean Wang 2019-06-02 3863 err = PTR_ERR(skb);
a1c49c434e15050 Sean Wang 2019-06-02 3864 bt_dev_err(hdev, "Failed to apply low power setting (%d)", err);
a1c49c434e15050 Sean Wang 2019-06-02 3865 return err;
a1c49c434e15050 Sean Wang 2019-06-02 3866 }
a1c49c434e15050 Sean Wang 2019-06-02 3867 kfree_skb(skb);
a1c49c434e15050 Sean Wang 2019-06-02 3868
fc342c4dc408754 Mark Chen 2021-02-02 3869 done:
a1c49c434e15050 Sean Wang 2019-06-02 3870 rettime = ktime_get();
a1c49c434e15050 Sean Wang 2019-06-02 3871 delta = ktime_sub(rettime, calltime);
a1c49c434e15050 Sean Wang 2019-06-02 3872 duration = (unsigned long long)ktime_to_ns(delta) >> 10;
a1c49c434e15050 Sean Wang 2019-06-02 3873
a1c49c434e15050 Sean Wang 2019-06-02 3874 bt_dev_info(hdev, "Device setup in %llu usecs", duration);
a1c49c434e15050 Sean Wang 2019-06-02 3875
a1c49c434e15050 Sean Wang 2019-06-02 3876 return 0;
a1c49c434e15050 Sean Wang 2019-06-02 3877 }
a1c49c434e15050 Sean Wang 2019-06-02 3878
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 30386 bytes --]
^ permalink raw reply [flat|nested] 2+ messages in thread
* [linux-next:master 7132/11526] drivers/bluetooth/btusb.c:3775 btusb_mtk_setup() error: uninitialized symbol 'fw_version'.
@ 2021-02-17 7:49 Dan Carpenter
0 siblings, 0 replies; 2+ messages in thread
From: Dan Carpenter @ 2021-02-17 7:49 UTC (permalink / raw)
To: kbuild
[-- Attachment #1: Type: text/plain, Size: 5511 bytes --]
[ Why is linux-mm CC'd on these patches??? - dan ]
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@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@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
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
_______________________________________________
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[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 30386 bytes --]
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2021-02-17 7:49 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-02-16 19:34 [linux-next:master 7132/11526] drivers/bluetooth/btusb.c:3775 btusb_mtk_setup() error: uninitialized symbol 'fw_version' kernel test robot
2021-02-17 7:49 Dan Carpenter
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