[lvm-devel] master - stats: fix error path when region is NULL

[Zdenek Kabelac]

Gitweb:        https://sourceware.org/git/?p=lvm2.git;a=commitdiff;h=3750b0cff5ab1c41076afdf8275e3fa20aa756d0
Commit:        3750b0cff5ab1c41076afdf8275e3fa20aa756d0
Parent:        0161ebe484005e948eab6b12bc3942e62a22819b
Author:        Zdenek Kabelac <zkabelac at redhat.com>
AuthorDate:    Fri Dec 21 20:12:40 2018 +0100
Committer:     Zdenek Kabelac <zkabelac at redhat.com>
CommitterDate: Fri Dec 21 21:42:30 2018 +0100

stats: fix error path when region is NULL

We should not call _stats_cleanup_region_ids() when regions
are NULL.
Also add backtracing for  goto.
---
 libdm/libdm-stats.c |   10 +++++-----
 1 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/libdm/libdm-stats.c b/libdm/libdm-stats.c
index ca46d9a..80cb42b 100644
--- a/libdm/libdm-stats.c
+++ b/libdm/libdm-stats.c
@@ -4869,24 +4869,24 @@ uint64_t *dm_stats_update_regions_from_fd(struct dm_stats *dms, int fd,
 					  group_id, &count, &regroup);
 
 	if (!regions)
-		goto bad;
+		goto_out;
 
 	if (!dm_stats_list(dms, NULL))
-		goto bad;
+		goto_bad;
 
 	/* regroup if there are regions to group */
 	if (regroup && (*regions != DM_STATS_REGION_NOT_PRESENT))
 		if (!_stats_group_file_regions(dms, regions, count, alias))
-			goto bad;
+			goto_bad;
 
 	dm_free(bounds);
 	dm_free((char *) alias);
 	return regions;
 bad:
 	_stats_cleanup_region_ids(dms, regions, count);
-	dm_free(bounds);
-	dm_free(regions);
 out:
+	dm_free(regions);
+	dm_free(bounds);
 	dm_free((char *) alias);
 	return NULL;
 }