ocfs2: remove unused code in dlm_new_lockres()

Remove the branch that free res->lockname.name because the condition
is never satisfied when jump to label error.

Signed-off-by: joyce.xue <xuejiufei@huawei.com>
Cc: Mark Fasheh <mfasheh@suse.com>
Cc: Joel Becker <jlbec@evilplan.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

fs/ocfs2/dlm/dlmmaster.c

@@ -625,9 +625,6 @@ struct dlm_lock_resource *dlm_new_lockres(struct dlm_ctxt *dlm,
 	return res;
 
 error:
-	if (res && res->lockname.name)
-		kmem_cache_free(dlm_lockname_cache, (void *)res->lockname.name);
-
 	if (res)
 		kmem_cache_free(dlm_lockres_cache, res);
 	return NULL;