mkfs_ext2: code shrink

function                                             old     new   delta
mkfs_ext2_main                                      1933    1924      -9

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

diff --git a/util-linux/mkfs_ext2.c b/util-linux/mkfs_ext2.c
index 83e81054ba1e3b096e03bf6cf636cbdcdefaf720..6b059d9ff4d016c393d3a5fb2bfd1130ed4c9cf8 100644 (file)
--- a/util-linux/mkfs_ext2.c
+++ b/util-linux/mkfs_ext2.c
@@ -275,9 +275,7 @@ int mkfs_ext2_main(int argc UNUSED_PARAM, char **argv)
         * don't check all the filesystems at the same time.  We use a
         * kludgy hack of using the UUID to derive a random jitter value.
         */
-       for (i = 0, n = 0; i < sizeof(sb->s_uuid); i++)
-               n += sb->s_uuid[i];
-       sb->s_max_mnt_count += n % EXT2_DFL_MAX_MNT_COUNT;
+       sb->s_max_mnt_count += sb->s_uuid[ARRAY_SIZE(sb->s_uuid)-1] % EXT2_DFL_MAX_MNT_COUNT;
 
        // open the device, get number of blocks
        xmove_fd(xopen3(argv[0], O_WRONLY | O_CREAT, 0666), fd);