pdu_write_u(struct p9_fcall *pdu, struct iov_iter *from, size_t size)
{
size_t len = min(pdu->capacity - pdu->size, size);
- struct iov_iter i = *from;
- if (!copy_from_iter_full(&pdu->sdata[pdu->size], len, &i))
+ if (!copy_from_iter_full(&pdu->sdata[pdu->size], len, from))
len = 0;
pdu->size += len;