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authorZheng Liu <wenqing.lz@taobao.com>2014-02-12 11:48:31 -0500
committerTheodore Ts'o <tytso@mit.edu>2014-02-12 11:48:31 -0500
commit30d29b119ef01776e0a301444ab24defe8d8bef3 (patch)
treee17df3182ad26e7ff0b3e966766358ad19bbf37c /fs/ext4/ioctl.c
parent15cc17678547676c82a5da9ccf357447333fc342 (diff)
downloadop-kernel-dev-30d29b119ef01776e0a301444ab24defe8d8bef3.zip
op-kernel-dev-30d29b119ef01776e0a301444ab24defe8d8bef3.tar.gz
ext4: fix error paths in swap_inode_boot_loader()
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> Cc: stable@vger.kernel.org # v3.10+
Diffstat (limited to 'fs/ext4/ioctl.c')
-rw-r--r--fs/ext4/ioctl.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
index 6bea806..a2a837f 100644
--- a/fs/ext4/ioctl.c
+++ b/fs/ext4/ioctl.c
@@ -140,7 +140,7 @@ 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 */
@@ -198,6 +198,7 @@ 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);
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