check for non-NULL before calling pairbasicfree()

diff --git a/util_radius.cpp b/util_radius.cpp
index 537150d..9d9df42 100644 (file)
--- a/util_radius.cpp
+++ b/util_radius.cpp
@@ -708,7 +708,8 @@ avpImport(VALUE_PAIR **pVp,
     return true;
 
 fail:
-    pairbasicfree(vp);
+    if (vp != NULL)
+        pairbasicfree(vp);
     return false;
 }