From: Ding Xiang dingxiang@cmss.chinamobile.com
commit bc75a6eb856cb1507fa907bf6c1eda91b3fef52f upstream.
Since dx_make_map() may return -EFSCORRUPTED now, so change "count" to be a signed integer so we can correctly check for an error code returned by dx_make_map().
Fixes: 46c116b920eb ("ext4: verify dir block before splitting it") Cc: stable@kernel.org Signed-off-by: Ding Xiang dingxiang@cmss.chinamobile.com Link: https://lore.kernel.org/r/20220530100047.537598-1-dingxiang@cmss.chinamobile... Signed-off-by: Theodore Ts'o tytso@mit.edu Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- fs/ext4/namei.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
--- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -1841,7 +1841,8 @@ static struct ext4_dir_entry_2 *do_split struct dx_hash_info *hinfo) { unsigned blocksize = dir->i_sb->s_blocksize; - unsigned count, continued; + unsigned continued; + int count; struct buffer_head *bh2; ext4_lblk_t newblock; u32 hash2;