From 8f02f8dcd72571ce3bc6538f1cd23807e2b6a64d Mon Sep 17 00:00:00 2001 From: "Bryn M. Reeves" Date: Mon, 30 Sep 2019 17:10:05 +0100 Subject: [PATCH] dmsetup: do not treat no groups as an error in dmstats list --group Analogous to the case of a device with no regions, it is not an error to attempt to list the stats groups on a device that has no configured groups: just return success and continue. --- libdm/dm-tools/dmsetup.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/libdm/dm-tools/dmsetup.c b/libdm/dm-tools/dmsetup.c index 2f8a1beb5..7267d0da9 100644 --- a/libdm/dm-tools/dmsetup.c +++ b/libdm/dm-tools/dmsetup.c @@ -942,10 +942,12 @@ static int _display_info_cols(struct dm_task *dmt, struct dm_info *info) } } - /* group report with no groups? */ + /* Group report with no groups is not an error */ if ((walk_flags == DM_STATS_WALK_GROUP) - && !dm_stats_get_nr_groups(obj.stats)) + && !dm_stats_get_nr_groups(obj.stats)) { + r = 1; goto out; + } dm_stats_walk_init(obj.stats, walk_flags); dm_stats_walk_do(obj.stats) {