[CRIU] [PATCH] protobuf: skip show of zero-size repeated fields

[Kinsbursky Stanislav]

From: Stanislav Kinsbursky <skinsbursky at openvz.org>

Print "<empty>" message for such filed instead.

http://bugzilla.openvz.org/show_bug.cgi?id=2425

Signed-off-by: Stanislav Kinsbursky <skinsbursky at openvz.org>
---
 protobuf.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
-------------- next part --------------
diff --git a/protobuf.c b/protobuf.c
index cf86297..7f76e13 100644
--- a/protobuf.c
+++ b/protobuf.c
@@ -405,6 +405,11 @@ static void pb_show_repeated(pb_pr_ctl_t *ctl, int nr_fields, pb_pr_show_t show,
 	unsigned long counter;
 	int done;
 
+	if (nr_fields == 0) {
+		pr_msg("<empty>");
+		return;
+	}
+
 	field->count = nr_fields;
 	done = show(field);
 	if (done)