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Subject[PATCH 4.14 224/237] ext4: make variable "count" signed
Date
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.com
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
@@ -1724,7 +1724,8 @@ 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;

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