3.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: alex chen <[email protected]>

commit f7cf4f5bfe073ad792ab49c04f247626b3e38db6 upstream.

Do not put bh when buffer_uptodate failed in ocfs2_write_block and
ocfs2_write_super_or_backup, because it will put bh in b_end_io.
Otherwise it will hit a warning "VFS: brelse: Trying to free free
buffer".

Signed-off-by: Alex Chen <[email protected]>
Reviewed-by: Joseph Qi <[email protected]>
Reviewed-by: Srinivas Eeda <[email protected]>
Cc: Mark Fasheh <[email protected]>
Acked-by: Joel Becker <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

---
 fs/ocfs2/buffer_head_io.c |    2 --
 1 file changed, 2 deletions(-)

--- a/fs/ocfs2/buffer_head_io.c
+++ b/fs/ocfs2/buffer_head_io.c
@@ -90,7 +90,6 @@ int ocfs2_write_block(struct ocfs2_super
                 * information for this bh as it's not marked locally
                 * uptodate. */
                ret = -EIO;
-               put_bh(bh);
                mlog_errno(ret);
        }
 
@@ -420,7 +419,6 @@ int ocfs2_write_super_or_backup(struct o
 
        if (!buffer_uptodate(bh)) {
                ret = -EIO;
-               put_bh(bh);
                mlog_errno(ret);
        }
 


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