ocfs2_page_mkwrite() could mistakenly return error code instead of
mkwrite status value.  Fix it.
Signed-off-by: Jan Kara <jack@suse.cz>
Cc: Mark Fasheh <mfasheh@suse.de>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Joseph Qi <joseph.qi@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
        ret = ocfs2_inode_lock(inode, &di_bh, 1);
        if (ret < 0) {
                mlog_errno(ret);
+               if (ret == -ENOMEM)
+                       ret = VM_FAULT_OOM;
+               else
+                       ret = VM_FAULT_SIGBUS;
                goto out;
        }