From 05156083ece4ba994b5f42944c130da773d6ecd7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Kin=C4=8Dl?= <mkincl@ra.rockwell.com>
Date: Wed, 3 Mar 2021 20:29:21 +0100
Subject: [PATCH] Fixed CID 529770.

---
 wolfcrypt/src/integer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wolfcrypt/src/integer.c b/wolfcrypt/src/integer.c
index 81987f96d..25d3fa4b9 100644
--- a/wolfcrypt/src/integer.c
+++ b/wolfcrypt/src/integer.c
@@ -2409,7 +2409,7 @@ int mp_exptmod_base_2(mp_int * X, mp_int * P, mp_int * Y)
   }
 
   /* swap res with Y */
-  mp_copy(res, Y);
+  err = mp_copy(res, Y);
 
 LBL_RES:mp_clear (res);
 LBL_M: