From a71e682905d9a429d43d514fa1f169ebba6bec19 Mon Sep 17 00:00:00 2001
From: Benjamin Dauvergne <bdauvergne@entrouvert.com>
Date: Tue, 26 Apr 2016 14:43:43 +0200
Subject: [PATCH] do not call xmlSecKeyDuplicate is source key is NULL

---
 lasso/utils.h | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lasso/utils.h b/lasso/utils.h
index 30957a91..6128c9a3 100644
--- a/lasso/utils.h
+++ b/lasso/utils.h
@@ -335,7 +335,10 @@
 
 #define lasso_assign_sec_key(dest, src) \
 	{ \
-		xmlSecKey *__tmp = xmlSecKeyDuplicate(src); \
+		xmlSecKey *__tmp = NULL; \
+		if (src) {\
+			__tmp = xmlSecKeyDuplicate(src); \
+		} \
 		if (dest) \
 			lasso_release_sec_key(dest); \
 		dest = __tmp; \