diff options
| author | Zheng Liu <wenqing.lz@taobao.com> | 2014-02-12 11:48:31 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-03-06 22:06:07 -0800 |
| commit | 087cee5b7b02d6b5f42a014e02dde2557098cf9a (patch) | |
| tree | 7881388e44036b13d44bb6f45cb9f9e25fd7b802 /fs | |
| parent | 4c5e5c76a2fd168bff550b20b1746e3604c07fa3 (diff) | |
ext4: fix error paths in swap_inode_boot_loader()
commit 30d29b119ef01776e0a301444ab24defe8d8bef3 upstream.
In swap_inode_boot_loader() we forgot to release ->i_mutex and resume
unlocked dio for inode and inode_bl if there is an error starting the
journal handle. This commit fixes this issue.
Reported-by: Ahmed Tamrawi <ahmedtamrawi@gmail.com>
Cc: Andreas Dilger <adilger.kernel@dilger.ca>
Cc: Dr. Tilmann Bubeck <t.bubeck@reinform.de>
Signed-off-by: Zheng Liu <wenqing.lz@taobao.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/ext4/ioctl.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c index 60589b60e9b..4a5fe555870 100644 --- a/fs/ext4/ioctl.c +++ b/fs/ext4/ioctl.c @@ -144,7 +144,7 @@ static long swap_inode_boot_loader(struct super_block *sb, handle = ext4_journal_start(inode_bl, EXT4_HT_MOVE_EXTENTS, 2); if (IS_ERR(handle)) { err = -EINVAL; - goto swap_boot_out; + goto journal_err_out; } /* Protect extent tree against block allocations via delalloc */ @@ -202,6 +202,7 @@ static long swap_inode_boot_loader(struct super_block *sb, ext4_double_up_write_data_sem(inode, inode_bl); +journal_err_out: ext4_inode_resume_unlocked_dio(inode); ext4_inode_resume_unlocked_dio(inode_bl); |