if (PageHighMem(pages[0]))
/* DMA to highmem pages might not work */
goto highmem;
- sg_set_page(&sglist[0], pages[0], PAGE_SIZE - offset, offset);
- size -= PAGE_SIZE - offset;
+ sg_set_page(&sglist[0], pages[0],
+ min_t(size_t, PAGE_SIZE - offset, size), offset);
+ size -= min_t(size_t, PAGE_SIZE - offset, size);
for (i = 1; i < nr_pages; i++) {
if (NULL == pages[i])
goto nopage;