BUG: memory leak
unreferenced object 0xffff88811020f400 (size 128):
  comm "kworker/0:2", pid 3625, jiffies 4294944660 (age 13.430s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 56 00 00 00 00 00 00 00  ........V.......
    00 01 00 00 00 00 ad de 22 01 00 00 00 00 ad de  ........".......
  backtrace:
    [<00000000b6c860d7>] kmalloc include/linux/slab.h:552 [inline]
    [<00000000b6c860d7>] kzalloc include/linux/slab.h:682 [inline]
    [<00000000b6c860d7>] dvb_create_media_graph+0x301/0x7d0 drivers/media/dvb-core/dvbdev.c:665
    [<00000000d459fd54>] dvb_usb_adapter_frontend_init+0x180/0x1b0 drivers/media/usb/dvb-usb/dvb-usb-dvb.c:327
    [<0000000079b61d2a>] dvb_usb_adapter_init drivers/media/usb/dvb-usb/dvb-usb-init.c:84 [inline]
    [<0000000079b61d2a>] dvb_usb_init drivers/media/usb/dvb-usb/dvb-usb-init.c:173 [inline]
    [<0000000079b61d2a>] dvb_usb_device_init.cold+0x4d0/0x6ae drivers/media/usb/dvb-usb/dvb-usb-init.c:287
    [<000000008f1e22f7>] dtt200u_usb_probe+0x92/0x110 drivers/media/usb/dvb-usb/dtt200u.c:150
    [<00000000f04e48e1>] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396
    [<00000000ef7fb192>] really_probe+0x159/0x4a0 drivers/base/dd.c:554
    [<00000000eef3f43c>] driver_probe_device+0x84/0x100 drivers/base/dd.c:740
    [<00000000295327f2>] __device_attach_driver+0xee/0x110 drivers/base/dd.c:846
    [<000000007ccc9649>] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:431
    [<0000000088936700>] __device_attach+0x122/0x250 drivers/base/dd.c:914
    [<00000000942b4816>] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:491
    [<00000000ac8c515d>] device_add+0x5be/0xc30 drivers/base/core.c:3109
    [<0000000006ce41dd>] usb_set_configuration+0x9d9/0xb90 drivers/usb/core/message.c:2164
    [<00000000c8eaae15>] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238
    [<00000000055f1737>] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293
    [<00000000ef7fb192>] really_probe+0x159/0x4a0 drivers/base/dd.c:554