Techwizz/kernel-fxtec-pro1x
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

ext4: add missing unlock in ext4_check_descriptors() on error path

Browse source 
If there group descriptors are corrupted we need unlock the block
group lock before returning from the function; else we will oops when
freeing a spinlock which is still being held.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
Li Zefan 2008-09-08 10:47:19 -04:00 committed by Theodore Ts'o
parent 05496769e5
commit 7ee1ec4ca3
1 changed files with 3 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
fs/ext4/super.c
View file

@ -1623,8 +1623,10 @@ static int ext4_check_descriptors(struct super_block *sb)
"Checksum for group %lu failed (%u!=%u)\n",
i, le16_to_cpu(ext4_group_desc_csum(sbi, i,
gdp)), le16_to_cpu(gdp->bg_checksum));
if (!(sb->s_flags & MS_RDONLY))
if (!(sb->s_flags & MS_RDONLY)) {
spin_unlock(sb_bgl_lock(sbi, i));
return 0;
}
}
spin_unlock(sb_bgl_lock(sbi, i));
if (!flexbg_flag)