Add a const annotation to the non-changing argument of mpi_sub_mul
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/library/bignum.c b/library/bignum.c
index d56a16e..8c9e9f4 100644
--- a/library/bignum.c
+++ b/library/bignum.c
@@ -1330,7 +1330,9 @@
/*
* 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;