Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 4ca0d2f1 authored by Ding Xiang's avatar Ding Xiang Committed by Greg Kroah-Hartman
Browse files

ext4: make variable "count" signed 



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: default avatarDing Xiang <dingxiang@cmss.chinamobile.com>
Link: https://lore.kernel.org/r/20220530100047.537598-1-dingxiang@cmss.chinamobile.com


Signed-off-by: default avatarTheodore Ts'o <tytso@mit.edu>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent a6b31616

fs/ext4/namei.c

+2 −1
Original line number Diff line number Diff line
@@ -1836,7 +1836,8 @@ static struct ext4_dir_entry_2 *do_split(handle_t *handle, struct inode *dir, 
			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;