usb/media/smsusb: use-after-free in worker_thread

Hi! I've got the following report while fuzzing the kernel with syzkaller. On commit ebb2c2437d8008d46796902ff390653822af6cc4 (Sep 18). smsusb:smsusb_probe: board id=1, interface number 0 smsusb:siano_media_device_register: media controller created smsusb:smsusb1_detectmode: product string not

usb/media/smsusb: use-after-free in worker_thread

Hi! I've got the following report while fuzzing the kernel with syzkaller. On commit ebb2c2437d8008d46796902ff390653822af6cc4 (Sep 18). smsusb:smsusb_probe: board id=1, interface number 0 smsusb:siano_media_device_register: media controller created smsusb:smsusb1_detectmode: product string not