Call ext2_data_block_valid() for block range validity. Signed-off-by: Chengguang Xu <cgxu519@xxxxxxxxxxx> --- fs/ext2/balloc.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/fs/ext2/balloc.c b/fs/ext2/balloc.c index 92e9a7489174..e0cc55164505 100644 --- a/fs/ext2/balloc.c +++ b/fs/ext2/balloc.c @@ -490,9 +490,7 @@ void ext2_free_blocks (struct inode * inode, unsigned long block, struct ext2_super_block * es = sbi->s_es; unsigned freed = 0, group_freed; - if (block < le32_to_cpu(es->s_first_data_block) || - block + count < block || - block + count > le32_to_cpu(es->s_blocks_count)) { + if (!ext2_data_block_valid(sbi, block, count)) { ext2_error (sb, "ext2_free_blocks", "Freeing blocks not in datazone - " "block = %lu, count = %lu", block, count); -- 2.20.1