C_POLL
xfer->c_flags |= C_POLL;
xfer->c_flags |= C_POLL;
if (xfer->c_flags & C_POLL)
xfer->c_flags |= C_POLL;
if (xfer->c_flags & C_POLL) {
if (!(xfer->c_flags & (C_POLL | C_SENSE | C_MEDIA_ACCESS)) &&
xfer->c_flags |= C_POLL;
if (xfer->c_flags & C_POLL) {
if (xfer->c_flags & C_POLL) {
if ((xfer->c_flags & C_POLL) != 0 &&