From 242bf56413f67dc3dd16770d420ced06eed0c4be Mon Sep 17 00:00:00 2001
From: Zdenek Kabelac <zkabelac@redhat.com>
Date: Wed, 26 Apr 2023 13:44:52 +0200
Subject: [PATCH] cov: validata top_lv

Add explicit pointer check is never NULL.
---
 lib/metadata/lv_manip.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/metadata/lv_manip.c b/lib/metadata/lv_manip.c
index 2dfa3c77b..8975bf180 100644
--- a/lib/metadata/lv_manip.c
+++ b/lib/metadata/lv_manip.c
@@ -5951,6 +5951,11 @@ static void _setup_params_for_extend_metadata(struct logical_volume *lv,
 
 static int _lv_resize_check_used(struct logical_volume *lv)
 {
+	if (!lv) {
+		log_error(INTERNAL_ERROR "LV is not specified.");
+		return 0;
+	}
+
 	if (lv_is_locked(lv)) {
 		log_error("Can't resize locked logical volume %s.", display_lvname(lv));
 		return 0;