From e9073a6cb225703be540faafd81c2d08f4d7bcb4 Mon Sep 17 00:00:00 2001
From: Gilles Peskine <Gilles.Peskine@arm.com>
Date: Thu, 4 Jun 2020 15:01:32 +0200
Subject: [PATCH] Add a const annotation to the non-changing argument of
 mpi_sub_mul

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
---
 library/bignum.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/library/bignum.c b/library/bignum.c
index 87ccf42f..8d2ad958 100644
--- a/library/bignum.c
+++ b/library/bignum.c
@@ -1252,7 +1252,9 @@ cleanup:
 /*
  * Helper for mbedtls_mpi subtraction
  */
-static void mpi_sub_hlp( size_t n, mbedtls_mpi_uint *s, mbedtls_mpi_uint *d )
+static void mpi_sub_hlp( size_t n,
+                         const mbedtls_mpi_uint *s,
+                         mbedtls_mpi_uint *d )
 {
     size_t i;
     mbedtls_mpi_uint c, z;