From 04f24881cb96825bb62f3857507c8401341cc2a4 Mon Sep 17 00:00:00 2001
From: kaleb-himes <kaleb@wolfssl.com>
Date: Fri, 17 May 2019 16:48:58 -0600
Subject: [PATCH] Fix for potential leak on err: Thanks to Chris H. for the
 report

---
 wolfcrypt/src/asn.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/wolfcrypt/src/asn.c b/wolfcrypt/src/asn.c
index 332ba7023..44d56fe4b 100644
--- a/wolfcrypt/src/asn.c
+++ b/wolfcrypt/src/asn.c
@@ -4156,8 +4156,10 @@ int wc_DsaKeyToDer(DsaKey* key, byte* output, word32 inLen)
     seqSz = SetSequence(verSz + intTotalLen, seq);
 
     outLen = seqSz + verSz + intTotalLen;
-    if (outLen > (int)inLen)
+    if (outLen > (int)inLen) {
+        FreeTmpDsas(tmps, key->heap);
         return BAD_FUNC_ARG;
+    }
 
     /* write to output */
     XMEMCPY(output, seq, seqSz);