libmbedtls: preserve mempool usage on reinit
Preserve the use_mempool field when reinitializing X in
mbedtls_mpi_read_binary().
Acked-by: Etienne Carriere <etienne.carriere@linaro.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
diff --git a/lib/libmbedtls/mbedtls/library/bignum.c b/lib/libmbedtls/mbedtls/library/bignum.c
index 5d4beca..8279d7d 100644
--- a/lib/libmbedtls/mbedtls/library/bignum.c
+++ b/lib/libmbedtls/mbedtls/library/bignum.c
@@ -777,8 +777,10 @@
/* Ensure that target MPI has exactly the necessary number of limbs */
if( X->n != limbs )
{
+ short use_mempool = X->use_mempool;
+
mbedtls_mpi_free( X );
- mbedtls_mpi_init( X );
+ mpi_init( X, use_mempool );
MBEDTLS_MPI_CHK( mbedtls_mpi_grow( X, limbs ) );
}