From: Wolfgang (Blub) Bumiller <blub@speed.at>
Date: Sat, 18 Aug 2012 16:01:52 +0000 (+0200)
Subject: ast_return_delete: check if self->operand is actually set before ast_unref-ing it
X-Git-Tag: 0.1-rc1~189
X-Git-Url: https://git.rm.cloudns.org/?a=commitdiff_plain;h=b7b0fcdc948ad9036b0ff8df3b002a4feaf0878f;p=xonotic%2Fgmqcc.git

ast_return_delete: check if self->operand is actually set before ast_unref-ing it
---

diff --git a/ast.c b/ast.c
index fb1bc87..89ae7ac 100644
--- a/ast.c
+++ b/ast.c
@@ -344,7 +344,8 @@ ast_return* ast_return_new(lex_ctx ctx, ast_expression *expr)
 
 void ast_return_delete(ast_return *self)
 {
-    ast_unref(self->operand);
+    if (self->operand)
+        ast_unref(self->operand);
     ast_expression_delete((ast_expression*)self);
     mem_d(self);
 }