ext3: Use DIV_ROUND_UP() on group desc block counting
Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index 1811c6f..1c68751 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -1864,8 +1864,7 @@
sbi->s_groups_count = ((le32_to_cpu(es->s_blocks_count) -
le32_to_cpu(es->s_first_data_block) - 1)
/ EXT3_BLOCKS_PER_GROUP(sb)) + 1;
- db_count = (sbi->s_groups_count + EXT3_DESC_PER_BLOCK(sb) - 1) /
- EXT3_DESC_PER_BLOCK(sb);
+ db_count = DIV_ROUND_UP(sbi->s_groups_count, EXT3_DESC_PER_BLOCK(sb));
sbi->s_group_desc = kmalloc(db_count * sizeof (struct buffer_head *),
GFP_KERNEL);
if (sbi->s_group_desc == NULL) {