From: Angus Gratton <angus@espressif.com>
Date: Wed, 6 Sep 2017 05:07:17 +0000 (+1000)
Subject: mbedtls: Re-apply ECP memory leak fix
X-Git-Tag: v3.1-dev~305^2~2
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=314299783053c210db59206e99770f7e915633ed;p=esp-idf

mbedtls: Re-apply ECP memory leak fix

Fix not yet submitted upstream.

(Previously applied in ffefeef5ea271735884d656afac7a4155a57c87f)
---

diff --git a/components/mbedtls/library/ecp.c b/components/mbedtls/library/ecp.c
index 5ad6863987..a9705388cb 100644
--- a/components/mbedtls/library/ecp.c
+++ b/components/mbedtls/library/ecp.c
@@ -1448,7 +1448,7 @@ static int ecp_mul_comb( mbedtls_ecp_group *grp, mbedtls_ecp_point *R,
 
 cleanup:
 
-    if( T != NULL && ! p_eq_g )
+    if( T != NULL && T != grp->T )
     {
         for( i = 0; i < pre_len; i++ )
             mbedtls_ecp_point_free( &T[i] );