From 4f230f8bab2b815d8a4f64b18994ee85c95034ea Mon Sep 17 00:00:00 2001 From: Yair Elharrar Date: Thu, 23 Jan 2020 13:33:46 +0200 Subject: [PATCH] list-subsys: fix NULL dereference when trying to use -o json on older kernels Signed-off-by: Yair Elharrar --- util/json.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/util/json.c b/util/json.c index f213fec..2978410 100644 --- a/util/json.c +++ b/util/json.c @@ -119,7 +119,7 @@ static struct json_value *json_create_value_string(const char *str) if (value) { value->type = JSON_TYPE_STRING; - value->string = strdup_escape(str); + value->string = strdup_escape(str ? str : "(null)"); if (!value->string) { free(value); value = NULL; -- 2.49.0