From 63c052b9e2a69b94fea33490130e76aac9a8c735 Mon Sep 17 00:00:00 2001
From: Zdenek Kabelac <zkabelac@redhat.com>
Date: Tue, 23 Feb 2016 21:36:51 +0100
Subject: [PATCH] coverity: ensure thin_pool_seg is not NULL

thin_pool_seg being NULL would be an internal error.
---
 lib/metadata/lv_manip.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/metadata/lv_manip.c b/lib/metadata/lv_manip.c
index 64eb6b756..5e4a81ff4 100644
--- a/lib/metadata/lv_manip.c
+++ b/lib/metadata/lv_manip.c
@@ -1662,8 +1662,10 @@ static int _setup_alloced_segment(struct logical_volume *lv, uint64_t status,
 	lv->size += (uint64_t) extents * lv->vg->extent_size;
 
 	if (lv_is_thin_pool_data(lv)) {
+		if (!(thin_pool_seg = get_only_segment_using_this_lv(lv)))
+			return_0;
+
 		/* Update thin pool segment from the layered LV */
-		thin_pool_seg = get_only_segment_using_this_lv(lv);
 		thin_pool_seg->lv->le_count =
 			thin_pool_seg->len =
 			thin_pool_seg->area_len = lv->le_count;