[Qemu-trivial] [PULL 10/29] vvfat: use DIV_ROUND_UP

[Marc-André Lureau]

I used the clang-tidy qemu-round check to generate the fix:
https://github.com/elmarco/clang-tools-extra

Signed-off-by: Marc-André Lureau <address@hidden>
Reviewed-by: Eric Blake <address@hidden>
Reviewed-by: Richard Henderson <address@hidden>
---
 block/vvfat.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/block/vvfat.c b/block/vvfat.c
index a9e207f7f0..c54fa94651 100644
--- a/block/vvfat.c
+++ b/block/vvfat.c
@@ -449,7 +449,7 @@ static direntry_t *create_long_filename(BDRVVVFATState *s, 
const char *filename)
         return NULL;
     }
 
-    number_of_entries = (length * 2 + 25) / 26;
+    number_of_entries = DIV_ROUND_UP(length * 2, 26);
 
     for(i=0;i<number_of_entries;i++) {
         entry=array_get_next(&(s->directory));
@@ -2554,7 +2554,7 @@ static int commit_one_file(BDRVVVFATState* s,
                 (size > offset && c >=2 && !fat_eof(s, c)));
 
         ret = vvfat_read(s->bs, cluster2sector(s, c),
-            (uint8_t*)cluster, (rest_size + 0x1ff) / 0x200);
+            (uint8_t*)cluster, DIV_ROUND_UP(rest_size, 0x200));
 
         if (ret < 0) {
             qemu_close(fd);
-- 
2.14.1.146.gd35faa819