PCTV_ANSWER_LEN
b0 = kmalloc(5 + PCTV_ANSWER_LEN, GFP_KERNEL);
ret = dvb_usb_generic_rw(d, b0, 5, rx, PCTV_ANSWER_LEN, 0);
ret = dvb_usb_generic_rw(d, b0, 5, rx, PCTV_ANSWER_LEN, 0);
b = kmalloc(CMD_BUFFER_SIZE + PCTV_ANSWER_LEN, GFP_KERNEL);
ret = dvb_usb_generic_rw(d, b, 4, rx, PCTV_ANSWER_LEN, 0);
for (i = 0; (i < rx[3]) && ((i+3) < PCTV_ANSWER_LEN); i++)