ucan_message_out
struct ucan_message_out *m;
sizeof(struct ucan_message_out),
usb_free_coherent(up->udev, sizeof(struct ucan_message_out),
if (out_ep_size < sizeof(struct ucan_message_out)) {
#define UCAN_OUT_HDR_SIZE offsetof(struct ucan_message_out, msg)
sizeof(struct ucan_message_out),