From: Soeren Apel <redacted>
Date: Tue, 8 Sep 2015 17:09:54 +0000 (+0200)
Subject: Fix #550 by allowing an empty trigger match list
X-Git-Tag: libsigrok-0.4.0~323
X-Git-Url: https://sigrok.org/gitaction?a=commitdiff_plain;h=42f4619d6b436e1db7685692281ae60999527106;p=libsigrok.git

Fix #550 by allowing an empty trigger match list

1e7659609bddd40471faf9a8e81ee7554d77dce9 is related
to this change and required to fix #550 as well.
---

diff --git a/src/trigger.c b/src/trigger.c
index 34474982..4b95a5a1 100644
--- a/src/trigger.c
+++ b/src/trigger.c
@@ -80,7 +80,9 @@ SR_API void sr_trigger_free(struct sr_trigger *trig)
 
 	for (l = trig->stages; l; l = l->next) {
 		stage = l->data;
-		g_slist_free_full(stage->matches, g_free);
+
+		if (stage->matches)
+			g_slist_free_full(stage->matches, g_free);
 	}
 	g_slist_free_full(trig->stages, g_free);