From 2bb5dd710c32f313d1b870ac5630ac95b248ba84 Mon Sep 17 00:00:00 2001
From: David Garske <david@wolfssl.com>
Date: Mon, 25 Feb 2019 15:19:31 -0800
Subject: [PATCH] Fix for curve load failure leak.

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

diff --git a/wolfcrypt/src/ecc.c b/wolfcrypt/src/ecc.c
index 7f4cd2822..440556b60 100644
--- a/wolfcrypt/src/ecc.c
+++ b/wolfcrypt/src/ecc.c
@@ -4250,8 +4250,10 @@ static int wc_ecc_sign_hash_hw(const byte* in, word32 inlen,
         /* if the input is larger than curve order, we must truncate */
         ALLOC_CURVE_SPECS(1);
         err = wc_ecc_curve_load(key->dp, &curve, ECC_CURVE_FIELD_ORDER);
-        if (err != 0)
+        if (err != 0) {
+           FREE_CURVE_SPECS();
            return err;
+        }
         orderBits = mp_count_bits(curve->order);
         if ((inlen * WOLFSSL_BIT_SIZE) > orderBits) {
            inlen = (orderBits + WOLFSSL_BIT_SIZE - 1) / WOLFSSL_BIT_SIZE;