SHORT_EVENT_SIZE
#define ev_length(ev) ((ev)->s.code >= 128 ? LONG_EVENT_SIZE : SHORT_EVENT_SIZE)
if (copy_from_user(rec.c + SHORT_EVENT_SIZE,
buf + SHORT_EVENT_SIZE,
LONG_EVENT_SIZE - SHORT_EVENT_SIZE)) {
ev_size = SHORT_EVENT_SIZE;
while (count >= SHORT_EVENT_SIZE) {
while (count >= SHORT_EVENT_SIZE) {
if (copy_from_user(&rec, buf, SHORT_EVENT_SIZE)) {