[CRIU] [PATCH 3/3] pipes: Use add_post_prepare_cb_once

[Cyrill Gorcunov]

Signed-off-by: Cyrill Gorcunov <gorcunov at openvz.org>
---
 criu/pipes.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/criu/pipes.c b/criu/pipes.c
index 4d15d739e358..8b3fd6f84342 100644
--- a/criu/pipes.c
+++ b/criu/pipes.c
@@ -372,9 +372,8 @@ int collect_one_pipe_ops(void *o, ProtobufCMessage *base, struct file_desc_ops *
 			list_add(&pi->pipe_list, &tmp->pipe_list);
 	}
 
-	if (list_empty(&pipes))
-		if (add_post_prepare_cb(mark_pipe_master, NULL))
-			return -1;
+	if (add_post_prepare_cb_once(mark_pipe_master, NULL))
+		return -1;
 
 	list_add_tail(&pi->list, &pipes);
 
-- 
2.7.4