Commit 
7990696 uses the ext4_{set,clear}_inode_flags() functions to
change the i_flags automatically but fails to remove the error setting
of i_flags.  So we still have the problem of trashing state flags.
Fix this by removing the assignment.
Signed-off-by: Tao Ma <boyu.mt@taobao.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: stable@kernel.org
                        else
                                ext4_clear_inode_flag(inode, i);
                }
-               ei->i_flags = flags;
 
                ext4_set_inode_flags(inode);
                inode->i_ctime = ext4_current_time(inode);