From 47cc8d232a2124230e424fa908cb67208d9f9b34 Mon Sep 17 00:00:00 2001
From: David Garske <david@wolfssl.com>
Date: Mon, 24 Aug 2020 07:31:06 -0700
Subject: [PATCH] Fix in ED448 `wc_ed448_check_key` function for possible
 dereference of a null pointer.

---
 wolfcrypt/src/ed448.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wolfcrypt/src/ed448.c b/wolfcrypt/src/ed448.c
index b41f97c37..366c7105b 100644
--- a/wolfcrypt/src/ed448.c
+++ b/wolfcrypt/src/ed448.c
@@ -837,7 +837,7 @@ int wc_ed448_check_key(ed448_key* key)
         ret = BAD_FUNC_ARG;
     }
 
-    if (!key->pubKeySet) {
+    if (ret == 0 && !key->pubKeySet) {
         ret = PUBLIC_KEY_E;
     }
     if (ret == 0) {