From: Igor Sysoev <igor@sysoev.ru>
Date: Thu, 21 Jul 2016 17:51:22 +0000 (+0300)
Subject: njs_vm_function() must return only function.
X-Git-Tag: 0.1.0~4
X-Git-Url: http://git.kaiwu.me/sitemap.xml?a=commitdiff_plain;h=4f9bebdc45d371a0e98210dcfd4e6a94dc6b4724;p=njs.git

njs_vm_function() must return only function.
---

diff --git a/njs/njs_variable.c b/njs/njs_variable.c
index a102a309..7ad8c6b8 100644
--- a/njs/njs_variable.c
+++ b/njs/njs_variable.c
@@ -139,7 +139,11 @@ njs_vm_function(njs_vm_t *vm, nxt_str_t *name)
     value = (njs_value_t *) ((u_char *) vm->global_scope
                            + njs_offset(var->index) - NJS_INDEX_GLOBAL_OFFSET);
 
-    return value->data.u.function;
+    if (njs_is_function(value)) {
+        return value->data.u.function;
+    }
+
+    return NULL;
 }