From 4ba33cbe861d0c4dc50fd513c76bedd782833b94 Mon Sep 17 00:00:00 2001
From: Ernestas Kulik <ekulik@redhat.com>
Date: Wed, 16 Oct 2019 16:46:54 +0200
Subject: [PATCH] lib: problem_data: Add a null-guard for g_strsplit() call

99d045d33f9805d7f81012d2bf7f01edcddb97f2 replaced a reinvented wheel
with GLib API. However, null strings are not legal arguments in
calls to g_strsplit().

Signed-off-by: Ernestas Kulik <ekulik@redhat.com>
---
 src/lib/problem_data.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/lib/problem_data.c b/src/lib/problem_data.c
index c2bbd65..c4dad37 100644
--- a/src/lib/problem_data.c
+++ b/src/lib/problem_data.c
@@ -523,9 +523,16 @@ problem_data_t *create_problem_data_from_dump_dir(struct dump_dir *dd)
 problem_data_t *create_problem_data_for_reporting(const char *dump_dir_name)
 {
     struct dump_dir *dd = dd_opendir(dump_dir_name, /*flags:*/ 0);
+    char *exclude_items_string;
+    char **exclude_items = NULL;
     if (!dd)
         return NULL; /* dd_opendir already emitted error msg */
-    char **exclude_items = g_strsplit(getenv("EXCLUDE_FROM_REPORT"), ",", -1);
+
+    exclude_items_string = getenv("EXCLUDE_FROM_REPORT");
+    if (NULL != exclude_items_string)
+    {
+        exclude_items = g_strsplit(exclude_items_string, ",", -1);
+    }
     problem_data_t *problem_data = problem_data_new();
     problem_data_load_from_dump_dir(problem_data, dd, exclude_items);
     dd_close(dd);
-- 
2.23.0