#include <linux/mm.h>
#include <linux/pagemap.h>
#include <linux/highmem.h>
-#include <asm/bug.h>
#include <asm/scatterlist.h>
#include "internal.h"
#include "scatterwalk.h"
int scatterwalk_copychunks(void *buf, struct scatter_walk *walk,
size_t nbytes, int out)
{
- do {
+ while (nbytes > walk->len_this_page) {
memcpy_dir(buf, walk->data, walk->len_this_page, out);
buf += walk->len_this_page;
nbytes -= walk->len_this_page;
scatterwalk_unmap(walk, out);
scatterwalk_pagedone(walk, out, 1);
scatterwalk_map(walk, out);
- } while (nbytes > walk->len_this_page);
+ }
memcpy_dir(buf, walk->data, nbytes, out);
return nbytes;