next_sg:
sg = &qc->sg[qc->cursg];
-next_page:
page = sg->page;
offset = sg->offset + qc->cursg_ofs;
page = nth_page(page, (offset >> PAGE_SHIFT));
offset %= PAGE_SIZE;
+ /* don't overrun current sg */
count = min(sg->length - qc->cursg_ofs, bytes);
/* don't cross page boundaries */
kunmap(page);
if (bytes) {
- if (qc->cursg_ofs < sg->length)
- goto next_page;
goto next_sg;
}
}