From 4493c6a45c334751ab99428ca0f072f7486e3b2c Mon Sep 17 00:00:00 2001
From: root <root@localhost.localdomain>
Date: Wed, 13 Mar 2019 14:13:16 +0800
Subject: [PATCH 06/17] libdm-stats: move no regions warning after
 dm_stats_list()

It doesn't make sense to test or warn about the region count until
the stats handle has been listed: at this point it may or may not
contain valid information (but is guaranteed to be correct after
the list).
---
 libdm/libdm-stats.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/libdm/libdm-stats.c b/libdm/libdm-stats.c
index 94ad380..6b4e3d8 100644
--- a/libdm/libdm-stats.c
+++ b/libdm/libdm-stats.c
@@ -2336,11 +2336,6 @@ int dm_stats_populate(struct dm_stats *dms, const char *program_id,
 		return 0;
 	}
 
-	if (!dms->nr_regions) {
-		log_error("No regions registered.");
-		return 0;
-	}
-
 	/* allow zero-length program_id for populate */
 	if (!program_id)
 		program_id = dms->program_id;
@@ -2352,6 +2347,11 @@ int dm_stats_populate(struct dm_stats *dms, const char *program_id,
 		goto_bad;
 	}
 
+	if (!dms->nr_regions) {
+		log_verbose("No stats regions registered: %s", dms->name);
+		return 0;
+	}
+
 	dms->walk_flags = DM_STATS_WALK_REGION;
 	dm_stats_walk_start(dms);
 	do {
-- 
2.19.1

