1printk 2find_first_zero_bit 3dvb_usb_generic_rw 4__dynamic_pr_debug 5strncmp 6strncpy 2 1 7strlcpy 2 1 8strncat 2 1 9snprintf 10copy_from_user 2 1 11copy_to_user 2 0 12read_rom 2 3 13skb_pull 1 -1 14