From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Wed, 4 May 2011 20:04:09 +0000 (-0400)
Subject: Unref: handle null pointers
X-Git-Tag: v0.1~117
X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=commitdiff_plain;h=ff00cad2a14ea6dad073761b3dbb4aaa259723d0

Unref: handle null pointers

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---

diff --git a/types/types.c b/types/types.c
index 2a9a5092..08324acc 100644
--- a/types/types.c
+++ b/types/types.c
@@ -255,6 +255,8 @@ void declaration_ref(struct declaration *declaration)
 
 void declaration_unref(struct declaration *declaration)
 {
+	if (!declaration)
+		return;
 	if (!--declaration->ref)
 		declaration->declaration_free(declaration);
 }
@@ -266,6 +268,8 @@ void definition_ref(struct definition *definition)
 
 void definition_unref(struct definition *definition)
 {
+	if (!definition)
+		return;
 	if (!--definition->ref)
 		definition->declaration->definition_free(definition);
 }