BUG: memory leak
unreferenced object 0xffff888109dfec80 (size 128):
  comm "kworker/1:1", pid 34, jiffies 4294943068 (age 8.680s)
  hex dump (first 32 bytes):
    00 89 1b 0d 81 88 ff ff 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000816e6ecb>] kmalloc include/linux/slab.h:552 [inline]
    [<00000000816e6ecb>] kzalloc include/linux/slab.h:682 [inline]
    [<00000000816e6ecb>] pcan_usb_fd_init+0x156/0x210 drivers/net/can/usb/peak_usb/pcan_usb_fd.c:868
    [<00000000a001c4f8>] peak_usb_create_dev drivers/net/can/usb/peak_usb/pcan_usb_core.c:851 [inline]
    [<00000000a001c4f8>] peak_usb_probe+0x389/0x490 drivers/net/can/usb/peak_usb/pcan_usb_core.c:949
    [<00000000f6d1120d>] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396
    [<0000000056b5bae3>] really_probe+0x159/0x4a0 drivers/base/dd.c:554
    [<000000000e439cb7>] driver_probe_device+0x84/0x100 drivers/base/dd.c:740
    [<00000000b668910a>] __device_attach_driver+0xee/0x110 drivers/base/dd.c:846
    [<00000000319f593e>] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:431
    [<0000000084b36a24>] __device_attach+0x122/0x250 drivers/base/dd.c:914
    [<00000000f5be5257>] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:491
    [<0000000082da6cca>] device_add+0x5be/0xc30 drivers/base/core.c:3109
    [<00000000cce71b69>] usb_set_configuration+0x9d9/0xb90 drivers/usb/core/message.c:2164
    [<00000000377ae7d5>] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238
    [<00000000e6de1d31>] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293
    [<0000000056b5bae3>] really_probe+0x159/0x4a0 drivers/base/dd.c:554
    [<000000000e439cb7>] driver_probe_device+0x84/0x100 drivers/base/dd.c:740
    [<00000000b668910a>] __device_attach_driver+0xee/0x110 drivers/base/dd.c:846