{
        while (len > 0) {
                map_word d;
-               d.x[0] = *((uint32_t*)from)++;
+               d.x[0] = *((uint32_t*)from);
                dc21285_write32(map, d, to);
+               from += 4;
                to += 4;
                len -= 4;
        }
 {
        while (len > 0) {
                map_word d;
-               d.x[0] = *((uint16_t*)from)++;
+               d.x[0] = *((uint16_t*)from);
                dc21285_write16(map, d, to);
+               from += 2;
                to += 2;
                len -= 2;
        }
 static void dc21285_copy_to_8(struct map_info *map, unsigned long to, const void *from, ssize_t len)
 {
        map_word d;
-       d.x[0] = *((uint8_t*)from)++;
+       d.x[0] = *((uint8_t*)from);
        dc21285_write8(map, d, to);
+       from++;
        to++;
        len--;
 }