From 726e7026cb04ae145e631f34bb6450b453f5c424 Mon Sep 17 00:00:00 2001
From: Andras Fekete <andras@wolfssl.com>
Date: Fri, 19 Jan 2024 10:31:20 -0500
Subject: [PATCH] Uninitialized variable because we don't check return value

Warning 544870.5627882
---
 wolfcrypt/src/pkcs7.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/wolfcrypt/src/pkcs7.c b/wolfcrypt/src/pkcs7.c
index af6bb55bd..a24d6a271 100644
--- a/wolfcrypt/src/pkcs7.c
+++ b/wolfcrypt/src/pkcs7.c
@@ -11489,8 +11489,13 @@ int wc_PKCS7_EncodeAuthEnvelopedData(PKCS7* pkcs7, byte* output,
             return MEMORY_E;
         }
 
-        FlattenAttributes(pkcs7, flatAuthAttribs, authAttribs,
+        ret = FlattenAttributes(pkcs7, flatAuthAttribs, authAttribs,
                           authAttribsCount);
+        if (ret != 0) {
+            wc_PKCS7_FreeEncodedRecipientSet(pkcs7);
+            XFREE(flatAuthAttribs, pkcs7->heap, DYNAMIC_TYPE_PKCS7);
+            return ret;
+        }
 
         authAttribsSetSz = SetImplicit(ASN_SET, 1, authAttribsSz,
                                        authAttribSet);