BUG: memory leak
unreferenced object 0xffff88810999c700 (size 128):
  comm "kworker/0:1", pid 7, jiffies 4294942038 (age 13.130s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 06 05 00 00 00 00 00 00  ................
    00 01 00 00 00 00 ad de 22 01 00 00 00 00 ad de  ........".......
  backtrace:
    [<00000000b6926435>] kmalloc include/linux/slab.h:552 [inline]
    [<00000000b6926435>] kzalloc include/linux/slab.h:664 [inline]
    [<00000000b6926435>] dvb_create_media_graph+0x301/0x7d0 drivers/media/dvb-core/dvbdev.c:662
    [<000000004cbcb904>] dvb_usb_adapter_frontend_init+0x180/0x1b0 drivers/media/usb/dvb-usb/dvb-usb-dvb.c:327
    [<0000000004c84cef>] dvb_usb_adapter_init drivers/media/usb/dvb-usb/dvb-usb-init.c:84 [inline]
    [<0000000004c84cef>] dvb_usb_init drivers/media/usb/dvb-usb/dvb-usb-init.c:173 [inline]
    [<0000000004c84cef>] dvb_usb_device_init.cold+0x4d0/0x6ae drivers/media/usb/dvb-usb/dvb-usb-init.c:287
    [<0000000080fde30d>] gp8psk_usb_probe+0x2a/0x50 drivers/media/usb/dvb-usb/gp8psk.c:304
    [<0000000034e81981>] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396
    [<00000000732a64cb>] really_probe+0x159/0x480 drivers/base/dd.c:554
    [<000000004e451b1e>] driver_probe_device+0x84/0x100 drivers/base/dd.c:738
    [<00000000df062875>] __device_attach_driver+0xee/0x110 drivers/base/dd.c:844
    [<00000000549cafad>] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:431
    [<00000000ae3011a2>] __device_attach+0x122/0x250 drivers/base/dd.c:912
    [<0000000002ad6bf8>] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:491
    [<00000000c2d46e74>] device_add+0x5ac/0xc30 drivers/base/core.c:2936
    [<00000000b44f0665>] usb_set_configuration+0x9de/0xb90 drivers/usb/core/message.c:2159
    [<000000009ccb48f1>] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238
    [<000000005735de27>] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293
    [<00000000732a64cb>] really_probe+0x159/0x480 drivers/base/dd.c:554