ISO_FRAME_SIZE
ISO_FRAME_SIZE, GFP_KERNEL);
ISO_FRAME_SIZE * FRAMES_PER_ISO_BUF;
buffer_offset += ISO_FRAME_SIZE * FRAMES_PER_ISO_BUF;
urb->iso_frame_desc[j].length = ISO_FRAME_SIZE;
frame_offset += ISO_FRAME_SIZE;
ISO_FRAME_SIZE, GFP_KERNEL);
u8 data[ISO_FRAME_SIZE];
urb->transfer_buffer_length = ISO_FRAME_SIZE *
buffer_offset += ISO_FRAME_SIZE * FRAMES_PER_ISO_BUF;
urb->iso_frame_desc[j].length = ISO_FRAME_SIZE;
frame_offset += ISO_FRAME_SIZE;